CVE-2026-42016
HIGH 8.1 KNOWN EXPLOITED ALL-YEARSJFrog 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.
Confirmed exploited in the wild — in CISA KEV since 2026-09-11. Patch or mitigate now.
Exploitation likelihood
8.6%chance of exploitation in 30 days · 95th percentile
Impact if exploited
8.1CVSS 3.1 · HIGH · CNA
- ConfidentialityHigh
- IntegrityHigh
- AvailabilityNone
What an attacker needs
- ✓Access: Reachable over the network — no local access needed
- ⚠Privileges: Requires a low-privilege account
- ✓User interaction: No user interaction needed
- ✓Complexity: No special conditions — reliably repeatable
✓ lowers the bar for an attacker · ⚠ raises it
Proof of concept
No public PoC is currently catalogued.
Search for new PoCs
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Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.
Weakness (CWE)
- CWE-863: Incorrect Authorization
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
References and research data (JSON)
Additional exploitation reports
Source-specific reports, separate from CISA KEV. Repeated observations from one source are not independent confirmations.
- VulnCheck KEV · 2026-09-10T00:00:00Z
Source guidance: 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.
Source ransomware assessment: Unknown
VulnCheck KEV · CVE-2026-42016 · Updated 2026-09-10T00:00:00Z - VulnCheck KEV · 2026-09-10T00:00:00ZVulnCheck KEV · CVE-2026-42016
- VulnCheck KEV · 2026-09-11T00:00:00ZVulnCheck KEV · CVE-2026-42016
Known Affected Software Configurations
| Vendor | Product | Version range |
|---|---|---|
| Jfrog | Artifactory | < 7.133.11 |
All CVSS metrics
- HIGH 8.1 v3.1 · CNA Primary
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - HIGH 8.1 v3.1 · NVD Secondary
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - HIGH 8.8 v3.1 · NVD Primary
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
Advisories
- https://docs.jfrog.com/releases/docs/jfrog-security-advisories CVE record · JFROG · Updated 2026-07-27T19:20:56.352Z
NVD · CVE-2026-42016 · Updated 2026-10-24T13:10:00.147 - https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases CVE record · JFROG · Updated 2026-07-27T19:20:56.352Z
NVD · CVE-2026-42016 · Updated 2026-10-24T13:10:00.147 - https://www.wiz.io/blog/artifactory-under-attack-in-the-wild-exploitation-of-cve-2026-42016-cve-2026-4201 CVE record · CISA-ADP · Updated 2026-09-12T03:55:20.650Z
NVD · CVE-2026-42016 · Updated 2026-10-24T13:10:00.147
VulnCheck KEV · CVE-2026-42016 · Updated 2026-09-10T00:00:00Z - https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42016 CVE record · CISA-ADP · Updated 2026-09-12T03:55:20.650Z
NVD · CVE-2026-42016 · Updated 2026-10-24T13:10:00.147 - https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-49566 EUVD · EUVD-2026-49566
- https://vulncheck.com/kev VulnCheck KEV · CVE-2026-42016 · Updated 2026-09-10T00:00:00Z
Technical & other
- https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json VulnCheck KEV · CVE-2026-42016 · Updated 2026-09-10T00:00:00Z
Sources: NVD · CVE.org · All sources and attribution · EPSS