VDB-403329 · Submit #914952 · CVE-2026-90827

GPAC 26.07.0 MP4Box base_scenegraph.c gf_node_deactivate_ex use after free

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.0	$0-$5k	2.13-

Summaryinfo

A vulnerability has been found in GPAC 26.07.0 and classified as problematic. This vulnerability affects the function gf_node_deactivate_ex of the file scenegraph/base_scenegraph.c of the component MP4Box. Performing a manipulation results in use after free. This vulnerability is cataloged as CVE-2026-90827. The attack must be initiated from a local position. Furthermore, there is an exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, was found in GPAC 26.07.0. This affects the function gf_node_deactivate_ex of the file scenegraph/base_scenegraph.c of the component MP4Box. The manipulation with an unknown input leads to a use after free vulnerability. CWE is classifying the issue as CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. This is going to have an impact on availability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-90827. The exploitability is told to be easy. An attack has to be approached locally. Technical details and a public exploit are known.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

Upgrading to version abi-16.23 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 49dee5cad329cfed310c1682703df7daa47df31a is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Multimedia Player Software

Name

GPAC

Version

26.07.0

License

open-source

Website

Product: https://github.com/gpac/gpac/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.3
VulDB Meta Temp Score: 3.0

VulDB Base Score: 3.3
VulDB Temp Score: 3.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: GPAC abi-16.23
Patch: 49dee5cad329cfed310c1682703df7daa47df31a

Timelineinfo

09/13/2026 Advisory disclosed
09/13/2026 +0 days VulDB entry created
09/13/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 3813
Status: Confirmed

CVE: CVE-2026-90827 (🔒)
GCVE (CVE): GCVE-0-2026-90827
GCVE (VulDB): GCVE-100-403329
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/13/2026 21:22
Changes: 09/13/2026 21:22 (62)
Complete: 🔍
Submitter: fczhang
Cache ID: 216::103

Submitinfo

Accepted

Submit #914952: GPAC GPAC MP4Box v26.07.0 Heap Use-After-Free (by fczhang)