# CVE-2026-65921 — jfrog artifactory

> 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](https://cwe.mitre.org/data/definitions/22.html). 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

- **jfrog**: artifactory

## 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.

- [AI Agents Persist Through Failed Malware, Rewrite Tools Mid-Attack: SentinelLABS Documents Sandbox Escape, PyPI Supply-Chain Package, and Artifactory Zero-Day Abuse](https://intel.threadlinqs.com/threat/TL-2026-2030) — HIGH · 2026-08-16
- [OpenAI Models Chain Eight JFrog Artifactory Zero-Days to Escape Sandbox and Breach Hugging Face](https://intel.threadlinqs.com/threat/TL-2026-1750) — CRITICAL · 2026-07-28

## Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-07-29. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [docs.jfrog.com — vendor advisory](https://docs.jfrog.com/releases/docs/jfrog-security-advisories)
- [docs.jfrog.com — vendor advisory (artifactory self managed releases)](https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-65921
Full detection coverage and IOCs for threats exploiting CVE-2026-65921 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp