CVE-2026-90576
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AI Threat Summary
CVE-2026-90576 is a moderate vulnerability with a CVSS score of 3.3 affecting the target software. Threat hunters should monitor for exploit attempts and apply vendor patches immediately.
Description
A security vulnerability has been detected in GPAC up to f1219cde. Affected is the function gf_node_list_add_child of the file scenegraph/base_scenegraph.c of the component MP4Box. Such manipulation leads to null pointer dereference. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. Upgrading to version abi-16.23 is able to address this issue. The name of the patch is 49dee5cad329cfed310c1682703df7daa47df31a. You should upgrade the affected component.
Attack Chain
Attacker scans for vulnerable versions using version banners or PoC scanners
Attacker triggers CVE-2026-90576 vulnerability with a crafted request or payload
Vulnerability exploited to perform unauthorized actions on the target system
Depending on vulnerability type, attacker achieves data access, service disruption, or code execution
MITRE ATT&CK Techniques
Indicators of Compromise
| Type | Value | Description | |
|---|---|---|---|
| user_agent | Mozilla/5.0 (compatible; exploit/1.0) |
Generic exploit scanner user agent pattern | |
| url | /api/vuln-endpoint?payload=<malicious> |
Exploit attempt against application endpoint — monitor access logs for anomalous params |
Remediation
Quick Facts
| CVE ID | CVE-2026-90576 |
| CVSS Score | 3.3 |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| Published | 2026-09-13 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |
References
- https://github.com/gpac/gpac/
- https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682…
- https://github.com/gpac/gpac/issues/3815
- https://github.com/gpac/gpac/releases/tag/abi-16.23
- https://github.com/r1ck9-2q/cve_summit/blob/main/Vuln-GPAC-M…
- https://vuldb.com/cve/CVE-2026-90576
- https://vuldb.com/submit/913204
- https://vuldb.com/vuln/403161
- https://vuldb.com/vuln/403161/cti