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

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MEDIUM

GPAC base_scenegraph.c gf_node_get_name_and_id use after free

Published Sep 15, 2026

5.3

MEDIUM

CVSS 4.0

EPSS 0.51%

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

Vendor Gpac Product GPAC Default
n/a
- Version
  f1219cde
  Status
  affected
  Constraints
  -
Vendor Gpac Product GPAC Default
n/a
- Version
  abi-16.23
  Status
  unaffected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Gpac

GPAC

n/a

Version	Status	Constraints
f1219cde	affected	-

Gpac

GPAC

n/a

Version	Status	Constraints
abi-16.23	unaffected	-

Remediation

No remediation recorded yet.

Weaknesses (2)

CWE-119

Buffer Overflow

CWE-416

Use After Free

References (9)

https://github.com/gpac/gpac/
product
https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a
patch
https://github.com/gpac/gpac/issues/3809
issue-tracking
https://github.com/gpac/gpac/releases/tag/abi-16.23
patch
https://github.com/user-attachments/files/30399830/poc_16_bt.zip
exploit
https://vuldb.com/cve/CVE-2026-91089
third-party-advisory
https://vuldb.com/submit/919758
third-party-advisory
https://vuldb.com/vuln/403651
vdb-entrytechnical-description
https://vuldb.com/vuln/403651/cti
signaturepermissions-required

Link	Providers	Tags
https://github.com/gpac/gpac/		product
https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a		patch
https://github.com/gpac/gpac/issues/3809		issue-tracking
https://github.com/gpac/gpac/releases/tag/abi-16.23		patch
https://github.com/user-attachments/files/30399830/poc_16_bt.zip		exploit
https://vuldb.com/cve/CVE-2026-91089		third-party-advisory
https://vuldb.com/submit/919758		third-party-advisory
https://vuldb.com/vuln/403651		vdb-entrytechnical-description
https://vuldb.com/vuln/403651/cti		signaturepermissions-required