CVE-2026-90687 GPAC MP4Box base_scenegraph.c gf_node_changed_internal use after free
A use-after-free vulnerability in GPAC MP4Box allows remote attackers to execute arbitrary code or cause denial of service via crafted media files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-90687?
CVE-2026-90687 is a medium-severity use after free vulnerability in GPAC, published on 14 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability was determined in GPAC up to f1219cde. This vulnerability affects the function gf_node_changed_internal of the file scenegraph/base_scenegraph.c of the component MP4Box. This manipulation causes use after free. It is possible to initiate the attack remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.23 is able to resolve this issue. Patch name: 9eb40df4448b88d6a6ce3454657c06f47eff0b24. Upgrading the affected component is recommended.
Which versions are affected by CVE-2026-90687?
How do I fix CVE-2026-90687?
No fix has been published for CVE-2026-90687 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2026-90687 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90687 exists.
Sources
Also known as GHSA-pvm2-5q9c-9rg5, UBUNTU-CVE-2026-90687.