# CVE-2026-90791

## Summary

- **CVE ID:** CVE-2026-90791
- **Severity:** MEDIUM
- **CVSS Score:** 7.5 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P)
- **CWE:** CWE-416, CWE-119
- **Published:** Sep 14, 2026
- **Last Modified:** Sep 15, 2026

## Description

A vulnerability was detected in GPAC up to f1219cde. This vulnerability affects the function gf_node_unregister of the file scenegraph/base_scenegraph.c of the component MP4Box. The manipulation results in use after free. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version abi-16.23 is able to resolve this issue. The patch is identified as 9eb40df4448b88d6a6ce3454657c06f47eff0b24. Upgrading the affected component is recommended.

## Affected Products

- n/a — GPAC (f1219cde)
- n/a — GPAC (abi-16.23)

## References

- [CNA](https://vuldb.com/vuln/403297)
- [CNA](https://vuldb.com/vuln/403297/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-90791)
- [CNA](https://vuldb.com/submit/914122)
- [CNA](https://github.com/gpac/gpac/issues/3801)
- [CNA](https://github.com/Ech06/CVE_submit/blob/main/gpac_3801.md)
- [CNA](https://github.com/gpac/gpac/commit/9eb40df4448b88d6a6ce3454657c06f47eff0b24)
- [CNA](https://github.com/gpac/gpac/releases/tag/abi-16.23)
- [CNA](https://github.com/gpac/gpac/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.29%
- **EPSS Percentile:** 21.9

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._