---
title: "CVE-2026-42016: JFrog Artifactory Incorrect Authorization Vulnerability"
url: https://erroneo.us/security/cve/CVE-2026-42016/
description: "CVE-2026-42016 (JFrog Artifactory): Exploited in the wild (CISA KEV). JFrog Artifactory (Self Hosted) versions before 7.133.11 are vulnerable to a privilege…"
type: vulnerability-record
section: "Security Digest"
date_published: 2026-07-27
date_modified: 2026-10-21
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2026-42016"
kev: true
cvss: 8.1
epss: 0.08643
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2026-42016: JFrog Artifactory Incorrect Authorization Vulnerability

**Signal:** Exploited: patch now if you run it. CISA has confirmed exploitation in the wild. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- Yes, if you run JFrog Artifactory. CISA added this CVE to its Known Exploited Vulnerabilities catalog on 2026-09-11, which means there is reliable evidence of exploitation in the wild. US federal agencies must remediate by 2026-09-25 ; treat that as the outer limit, not the target.
- EPSS 8.6% , percentile 95: FIRST’s model estimates a 8.6% chance of exploitation activity in the next 30 days, higher than 95% of all scored CVEs (very high). EPSS is a probability, not a verdict.
- Needs an account (low (any account)). Exposure depends on who can log in.
- Editorial verdict: Act now. JFrog Artifactory: Exploited Auth Bypass to Admin (KEV) — If you run self-hosted Artifactory below the fixed builds, treat it as exploited until shown otherwise: upgrade, then hunt for rogue admins, Groovy plugins and stolen signing keys, because patching does not remove them.

## What it is

JFrog Artifactory (Self Hosted) versions before 7.133.11 are vulnerable to a privilege escalation attack due to a validation check of the token signature/issuer and not the token’s scope.

## Affected products (CVE record)

- jfrog artifactory: < 7.133.11

## Severity

- JFROG CVSS 3.1: 8.1 `CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N`

## Exploitation

- CISA KEV: added 2026-09-11; federal due date 2026-09-25. Known ransomware use: Unknown.
- CISA required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
- CISA SSVC assessment: exploitation active , automatable no , technical impact total .
- FIRST EPSS (model of 2026-10-21): 8.64% probability of exploitation activity in the next 30 days; percentile 95.

## Sources

- [docs.jfrog.com](https://docs.jfrog.com/releases/docs/jfrog-security-advisories)
- [docs.jfrog.com](https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases)
- [CVE.org record CVE-2026-42016](https://www.cve.org/CVERecord?id=CVE-2026-42016)
- [NVD entry CVE-2026-42016](https://nvd.nist.gov/vuln/detail/CVE-2026-42016)
- [CISA Known Exploited Vulnerabilities catalog entry](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42016)
- [Listed in CISA KEV notes (cisa.gov)](https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk)
- [Listed in CISA KEV notes (cisa.gov)](https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk)
- [wiz.io](https://www.wiz.io/blog/artifactory-under-attack-in-the-wild-exploitation-of-cve-2026-42016-cve-2026-4201)

---
Source page: https://erroneo.us/security/cve/CVE-2026-42016/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt