CVE-2026-90683
GPAC MP4Box base_scenegraph.c gf_node_unregister assertion
CVSS Score
3.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-617 |
| Vendor | n/a |
| Product | gpac |
| Published | Sep 14, 2026 |
| Last Updated | Sep 15, 2026 |
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CVSS v3 Breakdown
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 Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
n/a / GPAC
f1219cde
References
vuldb.com: https://vuldb.com/vuln/403216 vuldb.com: https://vuldb.com/vuln/403216/cti vuldb.com: https://vuldb.com/cve/CVE-2026-90683 vuldb.com: https://vuldb.com/submit/913780 github.com: https://github.com/gpac/gpac/issues/3823 github.com: https://github.com/r1ck9-2q/cve_summit/blob/main/Vuln%20GPAC%20MP4Box%20Assertion%20Failure%20assert(num_instances).md github.com: https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a github.com: https://github.com/gpac/gpac/releases/tag/abi-16.23 github.com: https://github.com/gpac/gpac/
Credits
🔍 r1ck9 (VulDB User)