# CVE-2026-91091

## Summary

- **CVE ID:** CVE-2026-91091
- **Severity:** MEDIUM
- **CVSS Score:** 5.3 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P)
- **CWE:** CWE-119
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 15, 2026

## Description

A vulnerability was identified in GPAC up to f1219cde. The impacted element is the function gf_node_list_insert_child of the file scenegraph/base_scenegraph.c of the component Node Insertion. Such manipulation leads to memory corruption. The attack can be launched remotely. The exploit is publicly available and might be used. Upgrading to version abi-16.23 is sufficient to resolve this issue. The name of the patch is 49dee5cad329cfed310c1682703df7daa47df31a. It is suggested to upgrade the affected component.

## Affected Products

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

## References

- [CNA](https://vuldb.com/vuln/403653)
- [CNA](https://vuldb.com/vuln/403653/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-91091)
- [CNA](https://vuldb.com/submit/919761)
- [CNA](https://github.com/gpac/gpac/issues/3811)
- [CNA](https://github.com/user-attachments/files/30400179/poc_18_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:** 0.39%
- **EPSS Percentile:** 33.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-19._