# CVE-2026-91087

## Summary

- **CVE ID:** CVE-2026-91087
- **Severity:** MEDIUM
- **CVSS Score:** 7.5 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P)
- **CWE:** CWE-416, CWE-119
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 15, 2026

## Description

A flaw has been found in GPAC up to f1219cde. This vulnerability affects the function gf_mo_get_od_id of the file compositor/media_object.c of the component Compositor. Executing a manipulation can lead to use after free. The attack may be performed from remote. The exploit has been published and may be used. Upgrading to version abi-16.24 is able to resolve this issue. This patch is called e34f4ba349d55cd1849f0bcf4cf46552732e2db7. Upgrading the affected component is advised.

## Affected Products

- n/a — GPAC (f1219cde)
- n/a — GPAC (abi-16.24)

## References

- [CNA](https://vuldb.com/vuln/403649)
- [CNA](https://vuldb.com/vuln/403649/cti)
- [CNA](https://vuldb.com/cve/CVE-2026-91087)
- [CNA](https://vuldb.com/submit/919756)
- [CNA](https://github.com/gpac/gpac/issues/3807)
- [CNA](https://github.com/user-attachments/files/30399593/poc_12_info.zip)
- [CNA](https://github.com/gpac/gpac/commit/e34f4ba349d55cd1849f0bcf4cf46552732e2db7)
- [CNA](https://github.com/gpac/gpac/releases/tag/abi-16.24)
- [CNA](https://github.com/gpac/gpac/)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.37%
- **EPSS Percentile:** 30.8

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._