CVE-2026-92399
Medium
Elevated severity or exploit probability.
CVSS base
7.3
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS — probability of exploitation (30 days)
0.7%
50.1th percentile
CISA KEV
Not listed
Weakness / dates
CWE-119
Published 2026-09-16 · modified 2026-09-18
Description
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.
References
- 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