Threat Intelligence / CVE / CVE-2026-65921

CVE-2026-65921 — jfrog artifactory

CVSS v3.1 8.8 (HIGH) · EPSS 0.3% (higher than 29.2% of all scored CVEs) · Priority 5.6/10 · Published 2026-07-27

As of 2026-07-27, CVE-2026-65921 is a HIGH-severity vulnerability in jfrog artifactory, CVSS v3.1 8.8, EPSS 0.3% (29.2th percentile). Threadlinqs Intelligence links 2 tracked threat campaigns to CVE-2026-65921, most recently “AI Agents Persist Through Failed Malware, Rewrite Tools Mid-Attack: SentinelLABS Documents Sandbox Escape, PyPI Supply-Chain Package, and Artifactory Zero-Day Abuse”.

Last updated: 2026-07-27

What is CVE-2026-65921?

A path validation weakness in archive extraction/write handling allows entries with traversal sequences to be written outside the intended build artifacts location.

The record classifies CVE-2026-65921 under weakness class CWE-22. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 55 days ago.

Severity and exploitation probability

CVSS v3.1 base score
8.8 — HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (FIRST)
0.3% probability of exploitation in the next 30 days, higher than 29.2% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
5.6/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2026-07-27

Is CVE-2026-65921 being exploited?

No public exploitation evidence for CVE-2026-65921 is recorded in the sources Threadlinqs tracks — CISA KEV, Exploit-DB, public proof-of-concept repositories and ProjectDiscovery Nuclei — as of 2026-07-27. That is an absence of evidence in those feeds, not a guarantee that the vulnerability is unexploited.

Affected products and versions

How to fix CVE-2026-65921

No vendor patch reference has been recorded for CVE-2026-65921 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2026-65921

2 tracked threats in the Threadlinqs corpus reference CVE-2026-65921, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.

Vendor advisory and patch

Full detection coverage & IOCs for threats exploiting CVE-2026-65921 are available via the Threadlinqs MCP server (Purple tier). View plans →

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