Actively exploited · Published Aug 12, 2026 · Assigned by JFROG
CVE-2026-42018Anonymous user token generation exposure in JFrog Artifactory
High 7.5 Exploited
In plain English
A high-severity improper authentication in artifactory from jfrog. Attackers are actively exploiting it in the wild (listed by CISA on September 11, 2026). The chance it is exploited in the next 30 days is estimated at 10.0% (higher than 96% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei. 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 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.
Federal agencies must remediate by Sep 25, 2026.
Official description
JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| jfrog | artifactory | 0 – before 7.111.207.117.0 – before 7.117.277.125.0 – before 7.125.197.133.0 – before 7.133.287.146.0 – before 7.146.8 |
Weakness: CWE-287 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
References
- https://docs.jfrog.com/releases/docs/jfrog-security-advisories vendor-advisory
- https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases vendor-advisory
- https://www.wiz.io/blog/artifactory-under-attack-in-the-wild-exploitation-of-cve-2026-42016-cve-2026-4201 third-party-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42018 government-resource