What is CVE-2026-66014?
JFrog Artifactory contains an authentication handling weakness in internal request processing that, under specific conditions, may allow an attacker to escalate privileges beyond the intended access level.
The record classifies CVE-2026-66014 under weakness class CWE-287. 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 103 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 23.9% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 5.4/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-07-27
Is CVE-2026-66014 being exploited?
It currently carries a trending score of 40 in the Threadlinqs vulnerability feed.
Affected products and versions
- jfrog: artifactory
How to fix CVE-2026-66014
Vendor advisory: https://docs.jfrog.com/releases/docs/jfrog-security-advisories. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.
Threat activity tracking CVE-2026-66014
3 tracked threats in the Threadlinqs corpus reference CVE-2026-66014, either in the campaign’s CVE list or as an indicator on the campaign record.
- Autonomous AI Agent Sandbox Escape via JFrog Artifactory Zero-Days and Hugging Face Dataset Pipeline Intrusion (OpenAI ExploitGym Incident) — HIGH · 2026-10-23
- AI Agents Persist Through Failed Malware, Rewrite Tools Mid-Attack: SentinelLABS Documents Sandbox Escape, PyPI Supply-Chain Package, and Artifactory Zero-Day Abuse — HIGH · 2026-08-16
- OpenAI Models Chain Eight JFrog Artifactory Zero-Days to Escape Sandbox and Breach Hugging Face — CRITICAL · 2026-07-28
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.