CVE-2026-92399

A vulnerability was determined in GPAC 26.07.0. This affects the function rmt_client_handle_ws_frame of the file src/utils/rmt_ws.c of the component WebSocket Handler. Executing a manipulation of the argument payload_size can lead to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.26 is able to mitigate this issue. This patch is called 37bccbb30cf53a0e1a084cea9a1ce422b3ddfe12. Upgrading the affected component is recommended.

• CWE-119
• CWE-122

• https://github.com/gpac/gpac/
• https://github.com/gpac/gpac/commit/37bccbb30cf53a0e1a084cea9a1ce422b3ddfe12
• https://github.com/gpac/gpac/issues/3860
• https://github.com/gpac/gpac/releases/tag/abi-16.26
• https://github.com/user-attachments/files/31208030/poc_rmt_ws_malicious_frame.py
• https://vuldb.com/cve/CVE-2026-92399
• https://vuldb.com/submit/940250
• https://vuldb.com/vuln/405551
• https://vuldb.com/vuln/405551/cti

Published

Sep 16, 2026

Last Modified

Sep 16, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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