CVE-2026-42018
Anonymous user token generation exposure in JFrog Artifactory
- Published
- Updated
- Reserved
- Assigned by
- JFROG
Description
JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as JFrog Artifactory Improper Authentication Vulnerability.
- Added
- 11 Sept 2026
- Fix due (US federal)
- 25 Sept 2026
- Used by ransomware
- Not known
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| JFROGCNA (assigner) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVDNVD · Analyzed | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 10.0% · top 4.4% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
Affected products
- affected < 7.111.20
- affected 7.117.0 – < 7.117.27
- affected 7.125.0 – < 7.125.19
- affected 7.133.0 – < 7.133.28
- affected 7.146.0 – < 7.146.8
References (4)
- https://docs.jfrog.com/releases/docs/jfrog-security-advisories (opens in a new tab)vendor-advisory
- https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases (opens in a new tab)vendor-advisory
- https://www.wiz.io/blog/artifactory-under-attack-in-the-wild-exploitation-of-cve-2026-42016-cve-2026-4201 (opens in a new tab)third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42018 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-42018)Record last updated .