Vulnerability · Published Sep 16, 2026 · Assigned by VulDB

CVE-2026-92472GPAC MP4Box base_scenegraph.c gf_node_deactivate_ex use after free

Low 3.3

In plain English

A low-severity use-after-free 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 vulnerability was determined in GPAC 26.08-DEV. The affected element is the function gf_node_deactivate_ex of the file src/scenegraph/base_scenegraph.c of the component MP4Box. Executing a manipulation can lead to use after free. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.24 is sufficient to fix this issue. This patch is called e34f4ba349d55cd1849f0bcf4cf46552732e2db7. The affected component should be upgraded. This issue is distinct from CVE-2026-90827.

Affected products (as reported)

Vendor	Product	Versions
n/a	GPAC	26.08-DEV

Weakness: CWE-416, CWE-119 · 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-405731 | GPAC MP4Box base_scenegraph.c gf_node_deactivate_ex use after free vdb-entry, technical-description
VDB-405731 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-92472 | CVE Analysis and Report third-party-advisory
Submit #941003 | GPAC GPAC MP4Box GPAC 26.08-DEV / master commit 49dee5cad329cfed310c1682703df7daa47df31a: Heap Use-After-Free via Uncontrolled Recursion third-party-advisory
https://github.com/gpac/gpac/issues/3831 issue-tracking
https://github.com/user-attachments/files/30635912/poc_12.zip exploit
https://github.com/gpac/gpac/commit/e34f4ba349d55cd1849f0bcf4cf46552732e2db7 patch
https://github.com/gpac/gpac/releases/tag/abi-16.24 patch
https://github.com/gpac/gpac/ product