CVE-2026-77165
File owners were unable to unlock TYPE_TOKEN locks placed by other users, leaving files permanently locked with no recovery path outside of the database.
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PatchFirst · Vulnérabilités récentes
nextcloud 32.0.0 : vulnérabilités connues
Vulnérabilités connues concernant nextcloud 32.0.0 : 3. Comparez les versions corrigées ci-dessous avec celle que vous utilisez.
Vulnérabilités : 3
CVE-2026-68493
After guessing a 62^15 complex unique identifier, a malicious logged in user was able to retrieve a list of memberships for a circle they are not a member of.
Publication Mise à jourCVE-2026-77164
Circles' remote-instance signature verification fetches the attacker-supplied keyId URL before trust in the remote instance is established, and explicitly allows local/private addresses for this request, bypassing Nextcloud's core SSRF protections. The public, unauthenticated endpoints POST /apps/circles/event/ and POST /apps/circles/incoming/ reach this code path, allowing any unauthenticated user to force the server to issue a GET request to an internal address. The response body of the internal request is never returned to the requester, so this is blind SSRF: an attacker can determine whether an internal service is reachable, but cannot
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