Exploited vulnerability CISA KEV
CVE-2026-42018: JFrog Artifactory Improper Authentication Vulnerability
CVE-2026-42018 is a vulnerability in JFrog Artifactory that CISA added to its Known Exploited Vulnerabilities catalog on September 11, 2026, meaning there is evidence it is being exploited. US federal civilian agencies must complete the required action by September 25, 2026.
CVE-2026-42018 is a vulnerability in JFrog Artifactory that CISA added to its Known Exploited Vulnerabilities catalog on September 11, 2026, meaning there is evidence it is being exploited. US federal civilian agencies must complete the required action by September 25, 2026.
- CVE ID
- CVE-2026-42018
- Vendor / project
- JFrog
- Product
- Artifactory
- Added to KEV
- Due date
- Days to remediate
- 14
- Known ransomware use
- Unknown
- Weakness
- CWE-287
CISA description #
JFrog Artifactory contains an improper authentication vulnerability that could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
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.
Notes and references #
https://docs.jfrog.com/releases/docs/jfrog-security-advisories ; https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-42018
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