Is CVE-2026-91086 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-91086?

CVE-2026-91086 has a CVSS v3 severity of MEDIUM (6.3).

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CVE-2026-91086

Description

A security vulnerability has been detected in GPAC up to f1219cde. Affected by this issue is the function mpgviddmx_process of the file filters/reframe_mpgvid.c of the component MPEG Video Reframer. Such manipulation leads to heap-based buffer overflow. The attack can be executed remotely. The exploit has been disclosed publicly and may be used. Upgrading to version abi-16.23 can resolve this issue. The name of the patch is afca1f1181668d85941d51ed1adf647807d5d975. Upgrading the affected component is recommended.