Vulnerability · Published Sep 15, 2026 · Assigned by VulDB

CVE-2026-91089GPAC base_scenegraph.c gf_node_get_name_and_id use after free

Medium 6.3

In plain English

A medium-severity use-after-free in GPAC. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.5%top 56.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in GPAC up to f1219cde. Impacted is the function gf_node_get_name_and_id of the file scenegraph/base_scenegraph.c. The manipulation results in use after free. It is possible to launch the attack remotely. The exploit has been made public and could be used. Upgrading to version abi-16.23 is recommended to address this issue. The patch is identified as 49dee5cad329cfed310c1682703df7daa47df31a. You should upgrade the affected component.

Affected products (as reported)

Vendor	Product	Versions
n/a	GPAC	f1219cde

Weakness: CWE-416, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

References

VDB-403651 | GPAC base_scenegraph.c gf_node_get_name_and_id use after free vdb-entry, technical-description
VDB-403651 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-91089 | CVE Analysis and Report third-party-advisory
Submit #919758 | GPAC master f1219cde (2026-07-25) Use After Free third-party-advisory
https://github.com/gpac/gpac/issues/3809 issue-tracking
https://github.com/user-attachments/files/30399830/poc_16_bt.zip exploit
https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a patch
https://github.com/gpac/gpac/releases/tag/abi-16.23 patch
https://github.com/gpac/gpac/ product