PatchSiren cyber security CVE debrief
CVE-2026-42018 jfrog CVE debrief
JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources. This vulnerability affects JFrog Artifactory instances where anonymous access is disabled, allowing unauthenticated callers to obtain internal anonymous-user tokens. Security teams should verify configurations and monitor for suspicious activity. The CVSS score is 7.5 with a HIGH severity.
- Vendor
- jfrog
- Product
- artifactory
- CVSS
- HIGH 7.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-08-12
- Original CVE updated
- 2026-08-28
- Advisory published
- 2026-08-12
- Advisory updated
- 2026-08-28
Who should care
Security teams responsible for JFrog Artifactory instances should verify configurations and monitor for suspicious activity. Teams managing JFrog Artifactory should review and update instances to the latest version if necessary. Implementing additional security measures to protect sensitive resources is also recommended. Conducting regular security audits can help identify potential vulnerabilities. Security teams should prioritize verifying configurations and monitoring logs for suspicious activity to mitigate potential risks associated with this vulnerability. This includes reviewing JFrog Artifactory logs for unusual patterns and ensuring that all instances are up-to-date with the latest security patches. Furthermore, security teams should consider implementing compensating controls for exposed systems while remediation is scheduled and verified. This may involve enhancing monitoring and detection capabilities to quickly identify and respond to potential security incidents. By taking these steps, security teams can help protect sensitive resources and reduce the risk of exploitation. Regular security audits can also help identify potential vulnerabilities and ensure that JFrog Artifactory instances are properly configured and secured. Additionally, security teams should consider conducting thorough risk assessments to identify potential areas of vulnerability and prioritize remediation efforts accordingly. This may involve collaborating with other teams, such as IT and development, to ensure that all necessary steps are taken to mitigate potential risks. By prioritizing security and taking proactive steps to address potential vulnerabilities, security teams can help protect sensitive resources and reduce the risk of exploitation. Security teams should also consider implementing additional security measures, such as multi-factor authentication and access controls, to further protect sensitive resources. By taking a comprehensive approach to security, teams can help ensure the integrity of their JFrog Artifactory instances and protect sensitive resources from potential exploitation. Security teams should also review and update JFrog Artifactory instances to the
Technical summary
The vulnerability in JFrog Artifactory could allow an unauthenticated caller to obtain an internal anonymous-user token when anonymous access is disabled, potentially exposing sensitive resources. The CVSS score is 7.5 with a HIGH severity. This issue arises from JFrog Artifactory's handling of anonymous access, which could lead to unauthorized exposure of sensitive resources.
Defensive priority
High priority due to potential exposure of sensitive resources.
Recommended defensive actions
- Verify JFrog Artifactory configuration to ensure anonymous access is properly disabled.
- Review and update JFrog Artifactory to the latest version if necessary.
- Monitor JFrog Artifactory logs for suspicious activity.
- Implement additional security measures to protect sensitive resources.
- Conduct regular security audits.
Evidence notes
The CVE description indicates that JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled. The NVD entry is currently Awaiting Analysis.
Sources and references
Verified primary and authoritative sources
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CVE-2026-42018 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-42018
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-42018 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-42018
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://docs.jfrog.com/releases/docs/artifactory-self-managed-releases
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Source reference
Unverified legacy reference
URL: https://docs.jfrog.com/releases/docs/jfrog-security-advisories
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.