Vulnerability Description
YesWiki before 4.6.7 contains a server-side request forgery vulnerability in WebfingerService that allows unauthenticated attackers to trigger HTTPS requests to internal hosts. Attackers can POST a crafted actor_handle with a numeric host and port to the abonnements view to probe internal HTTPS services and ports.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/YesWiki/yeswiki/security/advisories/GHSA-x4mq-qxvc-g82j
- https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-ssrf-via-activitypub-w
- https://github.com/YesWiki/yeswiki/security/advisories/GHSA-x4mq-qxvc-g82j
FAQ
What is CVE-2026-104459?
CVE-2026-104459 is a vulnerability with a CVSS score of 6.5 (MEDIUM). YesWiki before 4.6.7 contains a server-side request forgery vulnerability in WebfingerService that allows unauthenticated attackers to trigger HTTPS requests to internal hosts. Attackers can POST a cr...
How severe is CVE-2026-104459?
CVE-2026-104459 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-104459?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.