CVE-2026-104458

6.5 MEDIUMpublic exploit available

Published 2026-10-02 · Updated 2026-10-02

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD 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.

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N

Weaknesses

CWE-918

Public exploit & PoC references

https://github.com/YesWiki/yeswiki/security/advisories/GHSA-85f2-5r47-2pwm
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-85f2-5r47-2pwm

All 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-transition-addresses
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-85f2-5r47-2pwm

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.

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