CVE-2026-104458

MEDIUMCVSS 6.5

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.

Published 2026-10-02 · last modified 2026-10-02

Full record at NVD ↗

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.