CVE-2026-42018
High 7.5 Exploited in the wild (KEV)
Confirmed active exploitation — CISA KEV catalog
- Name
- JFrog Artifactory Improper Authentication Vulnerability
- Added to catalog
- Remediation due date (US federal)
- 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.
Description
JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
Metrics
- CVSS 3.1
-
7.5 (HIGH)
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - EPSS — exploit probability
- 10% (percentile: 96) as of 1 November 2026
- CWE
- CWE-287
Affected products
jfrog: artifactory
References
- https://docs.jfrog.com/releases/docs/jfrog-security-advisories Vendor Advisory
- https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases Release Notes
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026… US Government Resource
- https://www.wiz.io/blog/artifactory-under-attack-in-the-wild-exploitation-of-cv… Third Party Advisory