HIGH 8.3 NVD
CVE-2026-104458
YesWiki before 4.6.7 contains a server-side request forgery vulnerability in validateKeyIdUrl() that allows unauthenticated attackers to bypass the SSRF guard u
YesWiki before 4.6.7 contains a server-side request forgery vulnerability in validateKeyIdUrl() that allows unauthenticated attackers to bypass the SSRF guard using 6to4, NAT64, or IPv4-compatible IPv6 addresses. Attackers can send a crafted Signature keyId to the public actor inbox route to reach cloud metadata, loopback services, or internal hosts.
References
- https://github.com/YesWiki/yeswiki/security/advisories/GHSA-85f2-5r47-2pwm
- https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-ssrf-guard-bypass-via-ipv6-trans
This high severity vulnerability with a CVSS score of 8.3 was published on 2026-10-02 via NVD.
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