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 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 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?
It currently carries a trending score of 42 in the Threadlinqs vulnerability feed.
Affected products and versions
- jfrog: artifactory
How to fix CVE-2026-65921
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-2026-65921
3 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.
- 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.