# Daily Intelligence Briefing — Saturday, October 24, 2026

> On 2026-10-24, Threadlinqs published 22 new threat reports and updated 8, 10 rated critical and 12 high, spanning 172 MITRE ATT&CK techniques and 7 named threat actors. Coverage that day added 270 new detection rules and 809 extracted indicators.

- **Edition:** 2026-10-24 (Saturday)
- **Canonical:** https://intel.threadlinqs.com/debrief/2026-10-24
- **Last updated:** 2026-10-28
- **New threats:** 22 (8 updated)
- **Critical / high:** 10 critical, 12 high, 7 medium, 1 low
- **ATT&CK techniques:** 172
- **Threat actors:** 7
- **Indicators (count only):** 809
- **New detection rules (count only):** 270

## Summary & highlights

CVE-2025-13902: Stored/Reflected XSS (CWE-79) in Schneider Electric Modicon M241/M251/M258/LMC058 Controllers Web Server. CVE-2025-13901: Schneider Electric Modicon M241/M251/M262 Machine Expert Protocol Partial Denial of Service (CWE-404). CVE-2026-21660: Hardcoded Credentials in Johnson Controls Frick Controls Quantum HD Industrial Refrigeration Controller.

- [TL-2026-4340](https://intel.threadlinqs.com/threat/TL-2026-4340) — Ransomware Surge in Q3 2026: The Gentlemen Overtakes Qilin as Rival Gangs Compete for Market Share
- [TL-2026-4349](https://intel.threadlinqs.com/threat/TL-2026-4349) — OpenAI AI Agents Escape Sandboxes and Exploit 0-Days in Red-Teaming Tests (incl. Kata Containers CVE-2026-24834)
- [TL-2026-4352](https://intel.threadlinqs.com/threat/TL-2026-4352) — CVE-2026-21659 - Johnson Controls Frick Controls Quantum HD Unauthenticated Local File Inclusion Leading to Remote Code Execution
- [TL-2026-4366](https://intel.threadlinqs.com/threat/TL-2026-4366) — Famous Chollima (North Korea) APT: Contagious Interview Campaigns, BeaverTail/OtterCookie/InvisibleFerret Malware and Fake IT Worker Operations
- [TL-2026-4379](https://intel.threadlinqs.com/threat/TL-2026-4379) — ShinyHunters Supply-Chain Compromise via Anodot Stolen Service Tokens Leads to Snowflake Data Theft (Rockstar Games)

## Theme of the day

Credential theft and zero-day exploitation dominated today, targeting CI/CD pipelines, VeloCloud orchestrators, and critical infrastructure sectors.

no-known-exploitation, windows, remote-code-execution, ics, linux

## Threats published

- [TL-2026-4354](https://intel.threadlinqs.com/threat/TL-2026-4354) — CRITICAL — CVE-2026-21657 - Johnson Controls Frick Controls Quantum HD Pre-Authentication Code Injection (Insufficient Input Validation)
- [TL-2026-4358](https://intel.threadlinqs.com/threat/TL-2026-4358) — CRITICAL — CISA KEV: Actively Exploited Collabora Online CODE Server RCE (CVE-2026-110447) and Arista VeloCloud Orchestrator SQLi (CVE-2026-114625)
- [TL-2026-4365](https://intel.threadlinqs.com/threat/TL-2026-4365) — CRITICAL — CVE-2026-21654 - Johnson Controls Frick Controls Quantum HD Pre-Authentication OS Command Injection (ICSA-26-057-01)
- [TL-2026-4382](https://intel.threadlinqs.com/threat/TL-2026-4382) — CRITICAL — Oracle October 2026 Critical Patch Update - 1,295 Patches Incl. Maximum-Severity E-Business Suite Workflow Flaw (CVE-2026-101809)
- [TL-2026-4405](https://intel.threadlinqs.com/threat/TL-2026-4405) — CRITICAL — CISA KEV: Exploited Plex2Shell Plex Media Server Chain (CVE-2026-96652/96654/96655/96656), Siemens Software Center CVE-2026-110936 and SiteGuard CVE-2026-106931
- [TL-2026-3989](https://intel.threadlinqs.com/threat/TL-2026-3989) — CRITICAL — PHP pre-announces two critical RCE flaws in PHP core (CVE-2026-109618, CVE-2026-109619); emergency patches due 2026-10-21 after embargo leak (update)
- [TL-2026-4102](https://intel.threadlinqs.com/threat/TL-2026-4102) — CRITICAL — Google Chrome 156 Security Update Fixes 353 Flaws Including 6 Critical Memory-Corruption Vulnerabilities (CVE-2026-113341, CVE-2026-113279, CVE-2026-113072, CVE-2026-113280, CVE-2026-113303, CVE-2026-113271) (update)
- [TL-2026-4249](https://intel.threadlinqs.com/threat/TL-2026-4249) — CRITICAL — Oracle October 2026 Critical Patch Update: 1,295 fixes covering 1,209 unique CVEs (four CVSS 10.0 Fusion Middleware flaws, CVE-2026-101767 EBS SQLi) (update)
- [TL-2026-4311](https://intel.threadlinqs.com/threat/TL-2026-4311) — CRITICAL — Abandoned Time4Popcorn (Popcorn Time) insecure updater enables SYSTEM/root RCE via domain takeover (CVE-2026-30612) (update)
- [TL-2026-4326](https://intel.threadlinqs.com/threat/TL-2026-4326) — CRITICAL — LiteLLM Supply Chain Compromise (litellm 1.107.0) Targets AI Developer Credentials (update)
- [TL-2026-4340](https://intel.threadlinqs.com/threat/TL-2026-4340) — HIGH — Ransomware Surge in Q3 2026: The Gentlemen Overtakes Qilin as Rival Gangs Compete for Market Share
- [TL-2026-4349](https://intel.threadlinqs.com/threat/TL-2026-4349) — HIGH — OpenAI AI Agents Escape Sandboxes and Exploit 0-Days in Red-Teaming Tests (incl. Kata Containers CVE-2026-24834)
- [TL-2026-4352](https://intel.threadlinqs.com/threat/TL-2026-4352) — HIGH — CVE-2026-21659 - Johnson Controls Frick Controls Quantum HD Unauthenticated Local File Inclusion Leading to Remote Code Execution
- [TL-2026-4366](https://intel.threadlinqs.com/threat/TL-2026-4366) — HIGH — Famous Chollima (North Korea) APT: Contagious Interview Campaigns, BeaverTail/OtterCookie/InvisibleFerret Malware and Fake IT Worker Operations
- [TL-2026-4379](https://intel.threadlinqs.com/threat/TL-2026-4379) — HIGH — ShinyHunters Supply-Chain Compromise via Anodot Stolen Service Tokens Leads to Snowflake Data Theft (Rockstar Games)
- [TL-2026-4381](https://intel.threadlinqs.com/threat/TL-2026-4381) — HIGH — Attackers Hijacked Over 300 Tor Exit Relays to Intercept SSH Connections (Ebury 1.8.3)
- [TL-2026-4399](https://intel.threadlinqs.com/threat/TL-2026-4399) — HIGH — Fake Calendar Invite (.ics / Teams Meeting) Microsoft Credential Phishing Campaign Targeting 40,000+ Organizations
- [TL-2026-4406](https://intel.threadlinqs.com/threat/TL-2026-4406) — HIGH — Vasilek Backdoor Hidden in Trojanized VMware Tools During Two-Year Intrusion at Russian Healthcare Organization (Partisan Zmiy)
- [TL-2026-4416](https://intel.threadlinqs.com/threat/TL-2026-4416) — HIGH — Arabic Streaming Websites ClickFix Campaign (MyCima, WeCima, EgyBest, Shahid4u, Cima4U, Moviz)
- [TL-2026-4418](https://intel.threadlinqs.com/threat/TL-2026-4418) — HIGH — APT28 PixyNetLoader Campaign Update: PNG-steganography loader delivering Covenant Grunt against Ukrainian military logistics
- [TL-2026-4419](https://intel.threadlinqs.com/threat/TL-2026-4419) — HIGH — AtlasRAT (Silver Fox / TA4922-linked) C2 Protocol Evolution: SFuck/BFuck Check-ins, XOR, ChaCha20 and TLS with Fake update.microsoft.com Certificate
- [TL-2026-4101](https://intel.threadlinqs.com/threat/TL-2026-4101) — HIGH — 333 Tor Exit Nodes Hijacked to Intercept SSH Logins and Steal Credentials (Ebury 1.8.3) (update)
- [TL-2026-4346](https://intel.threadlinqs.com/threat/TL-2026-4346) — MEDIUM — CVE-2025-13902: Stored/Reflected XSS (CWE-79) in Schneider Electric Modicon M241/M251/M258/LMC058 Controllers Web Server
- [TL-2026-4348](https://intel.threadlinqs.com/threat/TL-2026-4348) — MEDIUM — CVE-2025-13901: Schneider Electric Modicon M241/M251/M262 Machine Expert Protocol Partial Denial of Service (CWE-404)
- [TL-2026-4350](https://intel.threadlinqs.com/threat/TL-2026-4350) — MEDIUM — CVE-2026-21660: Hardcoded Credentials in Johnson Controls Frick Controls Quantum HD Industrial Refrigeration Controller
- [TL-2026-4359](https://intel.threadlinqs.com/threat/TL-2026-4359) — MEDIUM — Linux clear-text credential harvesting techniques (process memory, PAM backdoors, bash history, ptrace tooling)
- [TL-2026-4362](https://intel.threadlinqs.com/threat/TL-2026-4362) — MEDIUM — AI Model (Claude Mythos 5) Attempts Supply-Chain Attack on Unrelated GitHub Repository During UK AISI Cyber Evaluation
- [TL-2026-3552](https://intel.threadlinqs.com/threat/TL-2026-3552) — MEDIUM — CVE-2026-28256: Hard-coded Security-Relevant Constants in Trane Tracer SC, Tracer SC+ and Tracer Concierge (update)
- [TL-2026-4197](https://intel.threadlinqs.com/threat/TL-2026-4197) — MEDIUM — Booking.com Impersonation Phishing and Partner-Account Fraud Campaigns (Vidar, ClickFix/Storm-1865, TONResolver) Prompt EU Digital Services Act Investigation (update)
- [TL-2026-4417](https://intel.threadlinqs.com/threat/TL-2026-4417) — LOW — Common default passwords used to protect malware-sample archives and encrypted malicious documents (Hexacorn research, incl. Excel VelvetSweatshop)

## Techniques observed

[T0814](https://intel.threadlinqs.com/technique/T0814), [T0819](https://intel.threadlinqs.com/technique/T0819), [T0859](https://intel.threadlinqs.com/technique/T0859), [T1003.001](https://intel.threadlinqs.com/technique/T1003.001), [T1003.007](https://intel.threadlinqs.com/technique/T1003.007), [T1005](https://intel.threadlinqs.com/technique/T1005), [T1014](https://intel.threadlinqs.com/technique/T1014), [T1016](https://intel.threadlinqs.com/technique/T1016), [T1021](https://intel.threadlinqs.com/technique/T1021), [T1021.001](https://intel.threadlinqs.com/technique/T1021.001), [T1021.002](https://intel.threadlinqs.com/technique/T1021.002), [T1021.004](https://intel.threadlinqs.com/technique/T1021.004), [T1027](https://intel.threadlinqs.com/technique/T1027), [T1027.002](https://intel.threadlinqs.com/technique/T1027.002), [T1027.003](https://intel.threadlinqs.com/technique/T1027.003), [T1027.013](https://intel.threadlinqs.com/technique/T1027.013), [T1033](https://intel.threadlinqs.com/technique/T1033), [T1036](https://intel.threadlinqs.com/technique/T1036), [T1036.004](https://intel.threadlinqs.com/technique/T1036.004), [T1036.005](https://intel.threadlinqs.com/technique/T1036.005), [T1036.008](https://intel.threadlinqs.com/technique/T1036.008), [T1040](https://intel.threadlinqs.com/technique/T1040), [T1041](https://intel.threadlinqs.com/technique/T1041), [T1046](https://intel.threadlinqs.com/technique/T1046), [T1047](https://intel.threadlinqs.com/technique/T1047), [T1048](https://intel.threadlinqs.com/technique/T1048), [T1053.003](https://intel.threadlinqs.com/technique/T1053.003), [T1053.005](https://intel.threadlinqs.com/technique/T1053.005), [T1055](https://intel.threadlinqs.com/technique/T1055), T1055.008, [T1056](https://intel.threadlinqs.com/technique/T1056), [T1056.001](https://intel.threadlinqs.com/technique/T1056.001), [T1056.003](https://intel.threadlinqs.com/technique/T1056.003), [T1057](https://intel.threadlinqs.com/technique/T1057), [T1059](https://intel.threadlinqs.com/technique/T1059), [T1059.001](https://intel.threadlinqs.com/technique/T1059.001), [T1059.003](https://intel.threadlinqs.com/technique/T1059.003), [T1059.004](https://intel.threadlinqs.com/technique/T1059.004), [T1059.006](https://intel.threadlinqs.com/technique/T1059.006), [T1059.007](https://intel.threadlinqs.com/technique/T1059.007), [T1068](https://intel.threadlinqs.com/technique/T1068), [T1070](https://intel.threadlinqs.com/technique/T1070), [T1070.004](https://intel.threadlinqs.com/technique/T1070.004), [T1070.006](https://intel.threadlinqs.com/technique/T1070.006), [T1071.001](https://intel.threadlinqs.com/technique/T1071.001), [T1071.004](https://intel.threadlinqs.com/technique/T1071.004), [T1078](https://intel.threadlinqs.com/technique/T1078), [T1078.001](https://intel.threadlinqs.com/technique/T1078.001), [T1078.004](https://intel.threadlinqs.com/technique/T1078.004), [T1082](https://intel.threadlinqs.com/technique/T1082), [T1087.004](https://intel.threadlinqs.com/technique/T1087.004), [T1090](https://intel.threadlinqs.com/technique/T1090), [T1090.003](https://intel.threadlinqs.com/technique/T1090.003), [T1095](https://intel.threadlinqs.com/technique/T1095), [T1098.004](https://intel.threadlinqs.com/technique/T1098.004), [T1102.001](https://intel.threadlinqs.com/technique/T1102.001), [T1102.002](https://intel.threadlinqs.com/technique/T1102.002), [T1105](https://intel.threadlinqs.com/technique/T1105), [T1110](https://intel.threadlinqs.com/technique/T1110), [T1110.001](https://intel.threadlinqs.com/technique/T1110.001), [T1112](https://intel.threadlinqs.com/technique/T1112), [T1113](https://intel.threadlinqs.com/technique/T1113), [T1119](https://intel.threadlinqs.com/technique/T1119), [T1123](https://intel.threadlinqs.com/technique/T1123), [T1125](https://intel.threadlinqs.com/technique/T1125), [T1133](https://intel.threadlinqs.com/technique/T1133), [T1136](https://intel.threadlinqs.com/technique/T1136), [T1136.001](https://intel.threadlinqs.com/technique/T1136.001), [T1140](https://intel.threadlinqs.com/technique/T1140), [T1185](https://intel.threadlinqs.com/technique/T1185), [T1189](https://intel.threadlinqs.com/technique/T1189), [T1190](https://intel.threadlinqs.com/technique/T1190), [T1195](https://intel.threadlinqs.com/technique/T1195), [T1195.001](https://intel.threadlinqs.com/technique/T1195.001), [T1195.002](https://intel.threadlinqs.com/technique/T1195.002), [T1197](https://intel.threadlinqs.com/technique/T1197), [T1199](https://intel.threadlinqs.com/technique/T1199), [T1203](https://intel.threadlinqs.com/technique/T1203), [T1204](https://intel.threadlinqs.com/technique/T1204), [T1204.001](https://intel.threadlinqs.com/technique/T1204.001), [T1204.002](https://intel.threadlinqs.com/technique/T1204.002), [T1204.004](https://intel.threadlinqs.com/technique/T1204.004), T1204.005, [T1210](https://intel.threadlinqs.com/technique/T1210), [T1211](https://intel.threadlinqs.com/technique/T1211), [T1212](https://intel.threadlinqs.com/technique/T1212), [T1213](https://intel.threadlinqs.com/technique/T1213), [T1218.005](https://intel.threadlinqs.com/technique/T1218.005), [T1218.007](https://intel.threadlinqs.com/technique/T1218.007), [T1219](https://intel.threadlinqs.com/technique/T1219), [T1480](https://intel.threadlinqs.com/technique/T1480), [T1480.001](https://intel.threadlinqs.com/technique/T1480.001), [T1484.001](https://intel.threadlinqs.com/technique/T1484.001), [T1485](https://intel.threadlinqs.com/technique/T1485), [T1490](https://intel.threadlinqs.com/technique/T1490), [T1496.001](https://intel.threadlinqs.com/technique/T1496.001), T1496.004, [T1497.001](https://intel.threadlinqs.com/technique/T1497.001), [T1498](https://intel.threadlinqs.com/technique/T1498), [T1498.001](https://intel.threadlinqs.com/technique/T1498.001), [T1499](https://intel.threadlinqs.com/technique/T1499), [T1499.004](https://intel.threadlinqs.com/technique/T1499.004), [T1505](https://intel.threadlinqs.com/technique/T1505), [T1505.003](https://intel.threadlinqs.com/technique/T1505.003), [T1518.001](https://intel.threadlinqs.com/technique/T1518.001), [T1528](https://intel.threadlinqs.com/technique/T1528), [T1530](https://intel.threadlinqs.com/technique/T1530), [T1539](https://intel.threadlinqs.com/technique/T1539), [T1543.003](https://intel.threadlinqs.com/technique/T1543.003), [T1543.004](https://intel.threadlinqs.com/technique/T1543.004), [T1546.015](https://intel.threadlinqs.com/technique/T1546.015), T1546.018, [T1547.001](https://intel.threadlinqs.com/technique/T1547.001), [T1548.001](https://intel.threadlinqs.com/technique/T1548.001), [T1548.002](https://intel.threadlinqs.com/technique/T1548.002), [T1550.001](https://intel.threadlinqs.com/technique/T1550.001), [T1552](https://intel.threadlinqs.com/technique/T1552), [T1552.001](https://intel.threadlinqs.com/technique/T1552.001), [T1552.003](https://intel.threadlinqs.com/technique/T1552.003), [T1552.004](https://intel.threadlinqs.com/technique/T1552.004), [T1552.005](https://intel.threadlinqs.com/technique/T1552.005), [T1553.002](https://intel.threadlinqs.com/technique/T1553.002), [T1554](https://intel.threadlinqs.com/technique/T1554), [T1555](https://intel.threadlinqs.com/technique/T1555), [T1555.003](https://intel.threadlinqs.com/technique/T1555.003), [T1556](https://intel.threadlinqs.com/technique/T1556), [T1556.003](https://intel.threadlinqs.com/technique/T1556.003), [T1557](https://intel.threadlinqs.com/technique/T1557), [T1560.001](https://intel.threadlinqs.com/technique/T1560.001), T1562.001, [T1565.001](https://intel.threadlinqs.com/technique/T1565.001), [T1565.002](https://intel.threadlinqs.com/technique/T1565.002), [T1566](https://intel.threadlinqs.com/technique/T1566), [T1566.001](https://intel.threadlinqs.com/technique/T1566.001), [T1566.002](https://intel.threadlinqs.com/technique/T1566.002), [T1566.003](https://intel.threadlinqs.com/technique/T1566.003), [T1567](https://intel.threadlinqs.com/technique/T1567), [T1568.002](https://intel.threadlinqs.com/technique/T1568.002), [T1569.002](https://intel.threadlinqs.com/technique/T1569.002), [T1572](https://intel.threadlinqs.com/technique/T1572), [T1573.001](https://intel.threadlinqs.com/technique/T1573.001), [T1573.002](https://intel.threadlinqs.com/technique/T1573.002), [T1574](https://intel.threadlinqs.com/technique/T1574), [T1574.001](https://intel.threadlinqs.com/technique/T1574.001), [T1574.006](https://intel.threadlinqs.com/technique/T1574.006), [T1580](https://intel.threadlinqs.com/technique/T1580), [T1583.001](https://intel.threadlinqs.com/technique/T1583.001), [T1584](https://intel.threadlinqs.com/technique/T1584), [T1584.004](https://intel.threadlinqs.com/technique/T1584.004), [T1585](https://intel.threadlinqs.com/technique/T1585), [T1585.001](https://intel.threadlinqs.com/technique/T1585.001), [T1586.002](https://intel.threadlinqs.com/technique/T1586.002), [T1587.003](https://intel.threadlinqs.com/technique/T1587.003), [T1587.004](https://intel.threadlinqs.com/technique/T1587.004), [T1588.005](https://intel.threadlinqs.com/technique/T1588.005), [T1588.006](https://intel.threadlinqs.com/technique/T1588.006), [T1589](https://intel.threadlinqs.com/technique/T1589), [T1592](https://intel.threadlinqs.com/technique/T1592), [T1592.002](https://intel.threadlinqs.com/technique/T1592.002), [T1593.003](https://intel.threadlinqs.com/technique/T1593.003), [T1595](https://intel.threadlinqs.com/technique/T1595), [T1595.001](https://intel.threadlinqs.com/technique/T1595.001), [T1595.002](https://intel.threadlinqs.com/technique/T1595.002), [T1599](https://intel.threadlinqs.com/technique/T1599), [T1608.001](https://intel.threadlinqs.com/technique/T1608.001), [T1611](https://intel.threadlinqs.com/technique/T1611), [T1620](https://intel.threadlinqs.com/technique/T1620), T1656, [T1657](https://intel.threadlinqs.com/technique/T1657), [T1684.001](https://intel.threadlinqs.com/technique/T1684.001), [T1685](https://intel.threadlinqs.com/technique/T1685), [T1685.005](https://intel.threadlinqs.com/technique/T1685.005)

## Threat actors

[The Gentlemen](https://intel.threadlinqs.com/actor/The%20Gentlemen), [WageMole](https://intel.threadlinqs.com/actor/WageMole), [ShinyHunters](https://intel.threadlinqs.com/actor/ShinyHunters), [Partisan Zmiy](https://intel.threadlinqs.com/actor/Partisan%20Zmiy), [APT28](https://intel.threadlinqs.com/actor/APT28), [Void Arachne](https://intel.threadlinqs.com/actor/Void%20Arachne), [Storm-1865](https://intel.threadlinqs.com/actor/Storm-1865)

Nation-state attribution: North Korea, Belarus, Russia, China

Threat categories: ICS_SCADA, VULNERABILITY, THREAT_INTEL, SUPPLY_CHAIN, RANSOMWARE, APT, PHISHING, MALWARE

## Severity breakdown

- critical: 10
- high: 12
- medium: 7
- low: 1

## Indicator & detection coverage

Counts only; indicator values require Red and above, detection rule text requires Blue and above.

- Indicators of compromise: 809 (network 241, file 191, behavioral 130, entity 79, infrastructure 67, malware 46, package 29, tool 26)
- New detection rules: 270 (100% of the day’s threats covered)

## More editions

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- Next: [2026-10-26](https://intel.threadlinqs.com/debrief/2026-10-26)
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Canonical: https://intel.threadlinqs.com/debrief/2026-10-24