CVE-2026-104467 YesWiki before 4.6.7 Authorization Bypass via Public API Mode
Unauthenticated attackers can bypass authorization in YesWiki to modify configuration and manage backup archives when public API mode is enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-104467?
CVE-2026-104467 is a critical missing authorization vulnerability in yeswiki, published on 2 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-862
Which versions are affected by CVE-2026-104467?
How do I fix CVE-2026-104467?
No fix has been published for CVE-2026-104467 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-104467 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-104467 exists.
Sources
Also known as GHSA-59xh-vh54-x5hf, GHSA-v527-6r4j-j2w2.