CVE-2026-90827: GPAC MP4Box base_scenegraph.c gf_node_deactivate_ex use after free

Severity: low (CVSS 3.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-14 · updated 2026-09-15
Weakness: CWE-119

Description

A vulnerability was identified in GPAC 26.07.0. This affects the function gf_node_deactivate_ex of the file scenegraph/base_scenegraph.c of the component MP4Box. Such manipulation leads to use after free. The attack must be carried out locally. The exploit is publicly available and might be used. Upgrading to version abi-16.23 is able to mitigate this issue. The name of the patch is 49dee5cad329cfed310c1682703df7daa47df31a. You should upgrade the affected component.

Affected products

GPAC: 26.07.0

References

https://github.com/gpac/gpac/
https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a
https://github.com/gpac/gpac/issues/3813
https://github.com/gpac/gpac/releases/tag/abi-16.23
https://github.com/user-attachments/files/30400423/poc_20_nstatx.zip
https://vuldb.com/cve/CVE-2026-90827
https://vuldb.com/submit/914952
https://vuldb.com/vuln/403329
https://vuldb.com/vuln/403329/cti

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