CVE-2026-116825 YesWiki from 4.6.2 before 4.7.0 HTTP Signature Replay via ActivityPub Inbox
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-116825?
CVE-2026-116825 is a high-severity vulnerability in yeswiki, published on 26 Oct 2026.
Official description
YesWiki from 4.6.2 before 4.7.0 lacks replay protection in HttpSignatureService::verifySignature(), which never validates the Date header or tracks seen signatures. Attackers who capture a signed request to the /api/forms/{formId}/actor/inbox endpoint can replay it later to re-execute Delete, Update, Follow, or Undo actions.
Weakness: CWE-294
Which versions are affected by CVE-2026-116825?
How do I fix CVE-2026-116825?
No fix has been published for CVE-2026-116825 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-116825 being exploited?
There is no known exploitation of CVE-2026-116825 in the wild and no public exploit code.
Sources
Also known as GHSA-7m9j-h553-397x, GHSA-r76f-83xj-prp9.