CVE-2026-91096EPSS p15.5%
CVE-2026-91096CVE-2026-91096
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.
Scoring
| CVSS | 7.5 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| EPSS | 0.26% probability of exploitation · percentile 15.5% · 2026-10-05T12:00:23Z |
| Last modified | 2026-09-30 |