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CVE PROGRAM SOURCE RECORD8.3 High

CVE-2026-104458

YesWiki before 4.6.7 SSRF Guard Bypass via IPv6 Transition Addresses

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

YesWiki yeswiki

Default version status: unaffected

  • 0 to < 4.6.7affected
  • 4.6.7unaffected

References