CVE-2026-104445High· 8.2▾ TwilightYesWiki 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 si…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 45.1 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Oct 4.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.4%
Last analysed / modified upstream
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.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-116822Medium· 5.3YesWiki before 4.7.0 Template Traversal via BazarListeAction template Parameter
CVE-2026-116826Medium· 6.8YesWiki before 4.7.0 Authenticated SSRF via Page Duplication API downloadFile
CVE-2026-116820Medium· 5.3YesWiki from 4.6.0 before 4.7.0 SQL Query Disclosure via showreq Parameter
CVE-2026-116824Medium· 6.1YesWiki before 4.7.0 Stored XSS via Referer Header in referrers_sites Handler
CVE-2026-116825Medium· 6.5YesWiki from 4.6.2 before 4.7.0 HTTP Signature Replay via ActivityPub Inbox
CVE-2026-116827Medium· 6.8YesWiki before 4.7.0 SSRF via copyUrlToLocalFile in Bazar CSV Import