CVE-2026-104444 YesWiki before 4.6.7 Authorization Bypass via Comments API editComment
Authenticated low-privilege users can bypass write ACLs to overwrite arbitrary pages or comments in YesWiki.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-104444?
CVE-2026-104444 is a high-severity missing authorization vulnerability in yeswiki, published on 2 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
YesWiki before 4.6.7 contains an authorization bypass vulnerability in the comments API editComment route that allows authenticated low-privilege users to overwrite arbitrary pages or comments by supplying their own page as the pagetag field. Attackers can send a POST request to the api/comments endpoint targeting a victim tag, bypassing per-page write ACLs to replace content and reparent existing pages or comments.
Weakness: CWE-639
Which versions are affected by CVE-2026-104444?
How do I fix CVE-2026-104444?
No fix has been published for CVE-2026-104444 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-2026-104444 being exploited?
There is no known exploitation of CVE-2026-104444 in the wild and no public exploit code.
Sources
Also known as GHSA-894w-63wr-8x5r, GHSA-gch9-x4v5-hp56.