{"id":"CVE-2026-84895","published":"2026-09-28T21:17:19.027","lastModified":"2026-09-28T21:17:19.130","description":"In proxygen from v2026.04.06.00 until v2026.09.28.00, QuicWtSession::closeSession accesses its member fields after calling the base QuicWtSessionBase::closeSession method. The base method notifies the session handler, which may release the last reference to the session and destroy it.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://github.com/facebook/proxygen/commit/479eb5574195764e80e6cedebef669f6baa85083","tags":[]},{"url":"https://www.facebook.com/security/advisories/cve-2026-84895","tags":[]}],"exploitRefs":[{"url":"https://github.com/facebook/proxygen/commit/479eb5574195764e80e6cedebef669f6baa85083","tags":[]}],"hasPoc":true,"ai":null}