Vulnerability · Published Sep 14, 2026 · Assigned by VulDB

CVE-2026-90684GPAC MP4Box base_scenegraph.c gf_node_get_field_count assertion

Low 2.8

In plain English

A low-severity security flaw 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 5% of all known vulnerabilities).

Severity (CVSS 3.1)2.8Low

Exploit odds (30 days)0.2%top 95.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A flaw has been found in GPAC up to f1219cde. Affected by this vulnerability is the function gf_node_get_field_count of the file scenegraph/base_scenegraph.c of the component MP4Box. Executing a manipulation can lead to reachable assertion. It is possible to launch the attack on the local host. The exploit has been published and may be used. Upgrading to version abi-16.23 addresses this issue. This patch is called 49dee5cad329cfed310c1682703df7daa47df31a. You should upgrade the affected component.

Affected products (as reported)

Vendor	Product	Versions
n/a	GPAC	f1219cde

Weakness: CWE-617 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

References

VDB-403217 | GPAC MP4Box base_scenegraph.c gf_node_get_field_count assertion vdb-entry, technical-description
VDB-403217 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-90684 | CVE Analysis and Report third-party-advisory
Submit #914026 | GPAC up to commit f1219cde (2026-07-25) Denial of Service third-party-advisory
https://github.com/gpac/gpac/issues/3824 issue-tracking
https://github.com/r1ck9-2q/cve_summit/blob/main/Vuln%20GPAC%20MP4Box%20Assertion%20Failure%20assert(node).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