---
id: CVE-2026-90683
title: A vulnerability was detected in GPAC up to f1219cde
summary: >-
  A vulnerability was detected in GPAC up to f1219cde. Affected is the function
  gf_node_unregister of the file scenegraph/base_scenegraph.c of the component
  MP4Box. Performing a manipulation results in reachable assertion. Attacking
  locall…
severity: low
cvss: 3.3
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'
cwe:
  - CWE-617
product: GPAC
affected:
  - GPAC f1219cde
published: '2026-09-14'
updated: '2026-09-15'
sourceUpdated: '2026-09-15T18:19:37.977'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-90683'
references:
  - url: 'https://github.com/gpac/gpac/'
    label: cna@vuldb.com
  - url: >-
      https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a
    label: cna@vuldb.com
  - url: 'https://github.com/gpac/gpac/issues/3823'
    label: cna@vuldb.com
  - url: 'https://github.com/gpac/gpac/releases/tag/abi-16.23'
    label: cna@vuldb.com
  - url: >-
      https://github.com/r1ck9-2q/cve_summit/blob/main/Vuln%20GPAC%20MP4Box%20Assertion%20Failure%20assert(num_instances).md
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-90683'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/913780'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403216'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/403216/cti'
    label: cna@vuldb.com
  - url: 'https://github.com/gpac/gpac/issues/3823'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
  - cve.org
  - exploit-available
exploitAvailable: true
ssvc:
  exploitation: poc
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-09-15T17:22:17.243434Z'
epss: 0.00118
epssPercentile: 0.01938
ingestedAt: '2026-09-14T15:23:07.466Z'
---

## Overview

A vulnerability was detected in GPAC up to f1219cde. Affected is the function gf_node_unregister of the file scenegraph/base_scenegraph.c of the component MP4Box. Performing a manipulation results in reachable assertion. Attacking locally is a requirement. The exploit is now public and may be used. Upgrading to version abi-16.23 is able to address this issue. The patch is named 49dee5cad329cfed310c1682703df7daa47df31a. It is advisable to upgrade the affected component. This is not a duplicate of CVE-2021-46237 or CVE-2021-46234.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.