Most recent entries from all https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sat, 03 Oct 2026 11:40:11 +0000 CVE-2026-104445 — YesWiki before 4.6.7 Authentication Bypass via ActivityPub Inbox Actor Spoofing https://vulnerability.circl.lu/vuln/cve-2026-104445 <p><strong>Affected:</strong> yeswiki</p> <p>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&#39;s sourceUrl to delete or overwrite other actors&#39; federated entries.</p> <p><strong>Affected:</strong> yeswiki</p> <p>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&#39;s sourceUrl to delete or overwrite other actors&#39; federated entries.</p> https://vulnerability.circl.lu/vuln/cve-2026-104445