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

Friday, October 2, 2026 at 12:17 PM UTC·Source: NIST NVD

Updated: Saturday, October 3, 2026 at 05:00 PM UTC

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

Indicators of Compromise (1)

CVE (1)

CVE-2026-104445

NVD MITRE CVE

Source Attribution

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

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