CVE-2026-91096

HighCVSS 7.5/10Last modified Sep 30, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-416

Affected software

No affected versions have been published.

Timeline

Published
Sep 28, 2026
Last modified
Sep 30, 2026
NVD status
Deferred

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CVE-2026-91096: High severity, CVSS 7.5 | Vulnix