MEDIUM 6.9 NVD
CVE-2026-104459
YesWiki before 4.6.7 contains a server-side request forgery vulnerability in WebfingerService that allows unauthenticated attackers to trigger HTTPS requests to
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.
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-webfinger-a
- https://github.com/YesWiki/yeswiki/security/advisories/GHSA-x4mq-qxvc-g82j
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-10-02 via NVD.
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