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Vulnerability record · CVE-2026-104467 · published 2 October 2026

CVE-2026-104467: Missing authorization vulnerability

YesWiki before 4.6.7 contains an authorization bypass vulnerability in ApiService::isAuthorized() that allows unauthenticated attackers to call admin-only API routes when public API mode is enabled. Attackers can send requests to endpoints like api/ci/update_config and api/archives to overwrite configuration and list, download, or delete backup archives.

9.2 CVSS 4.0 Critical CWE-862 · Missing authorization Deferred
9.2CVSS 4.0 base score
-EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
2 Oct 2026Last modified by NVD

Description

YesWiki before 4.6.7 contains an authorization bypass vulnerability in ApiService::isAuthorized() that allows unauthenticated attackers to call admin-only API routes when public API mode is enabled. Attackers can send requests to endpoints like api/ci/update_config and api/archives to overwrite configuration and list, download, or delete backup archives.

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-v527-6r4j-j2w2
https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-authorization-bypass-via-public-api-mode
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-v527-6r4j-j2w2

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Source: NIST National Vulnerability Database (record CVE-2026-104467), CISA KEV, FIRST EPSS. This page is refreshed as NVD updates the record.