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

Severity: low (CVSS 2.8 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 2026-09-14
Weakness: CWE-617

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

GPAC: f1219cde

References

https://github.com/gpac/gpac/
https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a
https://github.com/gpac/gpac/issues/3824
https://github.com/gpac/gpac/releases/tag/abi-16.23
https://github.com/r1ck9-2q/cve_summit/blob/main/Vuln%20GPAC%20MP4Box%20Assertion%20Failure%20assert(node).md
https://vuldb.com/cve/CVE-2026-90684
https://vuldb.com/submit/914026
https://vuldb.com/vuln/403217
https://vuldb.com/vuln/403217/cti

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