CVE-2026-90826 GPAC MP4Box base_scenegraph.c gf_node_del out-of-bounds
A local attacker can trigger an out-of-bounds read in GPAC MP4Box, potentially causing denial of service or code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-90826?
CVE-2026-90826 is a low-severity memory corruption vulnerability in GPAC, published on 14 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A vulnerability was determined in GPAC 26.07.0. Affected by this issue is the function gf_node_del of the file scenegraph/base_scenegraph.c of the component MP4Box. This manipulation causes out-of-bounds read. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.23 can resolve this issue. Patch name: afca1f1181668d85941d51ed1adf647807d5d975. It is advisable to upgrade the affected component.
Which versions are affected by CVE-2026-90826?
How do I fix CVE-2026-90826?
No fix has been published for CVE-2026-90826 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-90826 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90826 exists.
Sources
Also known as GHSA-qm3v-8qrj-ch7v, UBUNTU-CVE-2026-90826.