CVE-2026-116825

Medium

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.

SeverityMedium

CVSS6.5

Exploit probability—

Product

Yeswiki

PublishedOct 27, 2026

First seenOct 27, 2026

Weakness typeCWE-294CWE-294

How to fix

Update

YesWiki yeswiki4.7.0 or later

Vendor advisories

github.com/YesWiki/yeswiki/security/advisories/GHSA-7m9j-h553-397x

Affected products

Product	Affected versions	Fixed in
YesWiki yeswiki	4.6.2 ≤ v < 4.7.0	4.7.0

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