CVE-2026-90683 PUBLISHED

A vulnerability was detected in GPAC up to f1219cde. Affected is the function gf_node_unregister of the file scenegraph/base_scenegraph.c of the component MP4Box. Performing a manipulation results in reachable assertion. Attacking locally is a requirement. The exploit is now public and may be used. Upgrading to version abi-16.23 is able to address this issue. The patch is named 49dee5cad329cfed310c1682703df7daa47df31a. It is advisable to upgrade the affected component. This is not a duplicate of CVE-2021-46237 or CVE-2021-46234.

• r1ck9 (VulDB User) reporter

• VDB-403216 | GPAC MP4Box base_scenegraph.c gf_node_unregister assertion
• VDB-403216 | CTI Indicators (IOB, IOC, IOA)
• CVE-2026-90683 | CVE Analysis and Report
• Submit #913780 | GPAC up to commit f1219cde (2026-07-25) Denial of Service
• https://github.com/gpac/gpac/issues/3823
• https://github.com/r1ck9-2q/cve_summit/blob/main/Vuln%20GPAC%20MP4Box%20Assertion%20Failure%20assert(num_instances).md
• https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a
• https://github.com/gpac/gpac/releases/tag/abi-16.23
• https://github.com/gpac/gpac/

• Reachable Assertion CWE