HIGHVulnerability
Verified
Global

NVD HIGH: CVE-2026-104445 — YesWiki before 4.6.7 contains an authentication bypass vulnerability in the Acti...

·Source: NIST NVD

Updated:

Executive Summary

YesWiki before 4.6.7 contains an authentication bypass vulnerability in the ActivityPub inbox that fails to bind the verified HTTP signature signer to the activity actor. Unauthenticated attackers with any ActivityPub keypair can send signed Delete or Update activities referencing a mirrored entry's sourceUrl to delete or overwrite other actors' federated entries.

Analysis

YesWiki before 4.6.7 contains an authentication bypass vulnerability in the ActivityPub inbox that fails to bind the verified HTTP signature signer to the activity actor. Unauthenticated attackers with any ActivityPub keypair can send signed Delete or Update activities referencing a mirrored entry's sourceUrl to delete or overwrite other actors' federated entries. CVSS Score: 8.2. Published: 2026-10-02T12:17:15.657.

Indicators of Compromise (1)

CVE (1)
CVE-2026-104445
NVDMITRE CVE
Source Attribution

Originally published by NIST NVD on Oct 2, 2026. Verified by: NIST.

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