Vulnerability · Published Sep 14, 2026 · Assigned by VulDB

CVE-2026-90826GPAC MP4Box base_scenegraph.c gf_node_del out-of-bounds

Low 2.8

In plain English

A low-severity out-of-bounds read in GPAC. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 5% of all known vulnerabilities).

Severity (CVSS 3.1)2.8Low

Exploit odds (30 days)0.2%top 94.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was determined in GPAC 26.07.0. Affected by this issue is the function gf_node_del of the file scenegraph/base_scenegraph.c of the component MP4Box. This manipulation causes out-of-bounds read. The attack is restricted to local execution. The exploit has been publicly disclosed and may be utilized. Upgrading to version abi-16.23 can resolve this issue. Patch name: afca1f1181668d85941d51ed1adf647807d5d975. It is advisable to upgrade the affected component.

Affected products (as reported)

Vendor	Product	Versions
n/a	GPAC	26.07.0

Weakness: CWE-125, CWE-119 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

References

VDB-403328 | GPAC MP4Box base_scenegraph.c gf_node_del out-of-bounds vdb-entry, technical-description
VDB-403328 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-90826 | CVE Analysis and Report third-party-advisory
Submit #914951 | msgpack GPAC MP4Box v26.07.0 Heap Buffer Over-Read / Out-of-Bounds Read third-party-advisory
https://github.com/gpac/gpac/issues/3812 issue-tracking
https://github.com/user-attachments/files/30400210/poc_19_nstatx.zip exploit
https://github.com/gpac/gpac/commit/afca1f1181668d85941d51ed1adf647807d5d975 patch
https://github.com/gpac/gpac/releases/tag/abi-16.23 patch
https://github.com/gpac/gpac/ product