# CVE-2026-91090

## Summary

- **CVE ID:** CVE-2026-91090
- **Severity:** LOW
- **CVSS Score:** 3.9 (CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P)
- **CWE:** CWE-121, CWE-119
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 17, 2026

## Description

A vulnerability was determined in GPAC up to f1219cde. The affected element is the function gf_node_activate_ex of the file scenegraph/base_scenegraph.c. This manipulation causes stack-based buffer overflow. It is possible to launch the attack on the local host. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.23 is sufficient to fix this issue. Patch name: 9eb40df4448b88d6a6ce3454657c06f47eff0b24. The affected component should be upgraded.

## Affected Products

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

## References

- [CNA](https://vuldb.com/vuln/403652)
- [CNA](https://vuldb.com/vuln/403652/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-91090)
- [CNA](https://vuldb.com/submit/919759)
- [CNA](https://github.com/gpac/gpac/issues/3810)
- [CNA](https://github.com/user-attachments/files/30399928/poc_17_nstatx.zip)
- [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:** 0.12%
- **EPSS Percentile:** 2.4

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