# CVE-2026-90827

## Summary

- **CVE ID:** CVE-2026-90827
- **Severity:** MEDIUM
- **CVSS Score:** 4.8 (CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/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 identified in GPAC 26.07.0. This affects the function gf_node_deactivate_ex of the file scenegraph/base_scenegraph.c of the component MP4Box. Such manipulation leads to use after free. The attack must be carried out locally. The exploit is publicly available and might be used. Upgrading to version abi-16.23 is able to mitigate this issue. The name of the patch is 49dee5cad329cfed310c1682703df7daa47df31a. You should upgrade the affected component.

## Affected Products

- n/a — GPAC (26.07.0)
- n/a — GPAC (abi-16.23)

## References

- [CNA](https://vuldb.com/vuln/403329)
- [CNA](https://vuldb.com/vuln/403329/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-90827)
- [CNA](https://vuldb.com/submit/914952)
- [CNA](https://github.com/gpac/gpac/issues/3813)
- [CNA](https://github.com/user-attachments/files/30400423/poc_20_nstatx.zip)
- [CNA](https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a)
- [CNA](https://github.com/gpac/gpac/releases/tag/abi-16.23)
- [CNA](https://github.com/gpac/gpac/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.16%
- **EPSS Percentile:** 5.7

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