{"id":"CVE-2026-77167","published":"2026-10-27T17:17:02.673","lastModified":"2026-10-27T17:17:02.673","description":"Abusing the federated share endpoint, an attacker can write arbitrary rows into the oc_share_external database table. These rows persist indefinitely — there is no automatic cleanup mechanism. Three distinct denial-of-service conditions follow from this write primitive, all triggered from the same unauthenticated source and all self-renewing on a 24-hour cycle for as long as the injected rows remain in the database.","cvssScore":7.5,"cvssSeverity":"HIGH","cvssVector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwes":["CWE-400"],"vendors":[],"products":[],"references":[{"url":"https://hackerone.com/reports/3679640","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}