Vulnerability · Published Sep 13, 2026 · Assigned by VulDB

CVE-2026-90576GPAC MP4Box base_scenegraph.c gf_node_list_add_child null pointer dereference

Low 3.3

In plain English

A low-severity null pointer dereference in GPAC. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).

Severity (CVSS 3.1)3.3Low

Exploit odds (30 days)0.2%top 93.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A security vulnerability has been detected in GPAC up to f1219cde. Affected is the function gf_node_list_add_child of the file scenegraph/base_scenegraph.c of the component MP4Box. Such manipulation leads to null pointer dereference. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. Upgrading to version abi-16.23 is able to address this issue. The name of the patch is 49dee5cad329cfed310c1682703df7daa47df31a. You should upgrade the affected component.

Affected products (as reported)

Vendor	Product	Versions
n/a	GPAC	f1219cde

Weakness: CWE-476, CWE-404 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

References

VDB-403161 | GPAC MP4Box base_scenegraph.c gf_node_list_add_child null pointer dereference vdb-entry, technical-description
VDB-403161 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-90576 | CVE Analysis and Report third-party-advisory
Submit #913204 | GPAC up to commit f1219cde (2026-07-25) Memory Corruption third-party-advisory
https://github.com/gpac/gpac/issues/3815 issue-tracking
https://github.com/r1ck9-2q/cve_summit/blob/main/Vuln-GPAC-MP4Box-gf_node_list_add_child-SEGV.md exploit
https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a patch
https://github.com/gpac/gpac/releases/tag/abi-16.23 patch
https://github.com/gpac/gpac/ product