{"id":"CVE-2026-91096","published":"2026-09-28T21:17:19.313","lastModified":"2026-09-28T21:17:19.420","description":"In proxygen from v2024.10.28.00 until v2026.09.28.00, WebTransportImpl::terminateSessionStreams (WebTransportImpl::destroy in releases before v2025.08.18.00) failed to unregister read callbacks for streams that were no longer open before destroying them. The transport could then invoke a read callback that had been freed.","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-2026-91096","tags":[]}],"exploitRefs":[{"url":"https://github.com/facebook/proxygen/commit/479eb5574195764e80e6cedebef669f6baa85083","tags":[]}],"hasPoc":true,"ai":null}