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CVE-2026-91091

GPAC Node Insertion base_scenegraph.c gf_node_list_insert_child memory corruption

MEDIUM
4.3
CVSS Score
Published: September 15, 2026 at 07:45 AM UTC
Updated: September 15, 2026 at 03:17 PM UTC
1 product affected across 1 vendorGpac

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.7%
SSVC
PoC

Description

A vulnerability was identified in GPAC up to f1219cde. The impacted element is the function gf_node_list_insert_child of the file scenegraph/base_scenegraph.c of the component Node Insertion. Such manipulation leads to memory corruption. The attack can be launched remotely. The exploit is publicly available and might be used. Upgrading to version abi-16.23 is sufficient to resolve this issue. The name of the patch is 49dee5cad329cfed310c1682703df7daa47df31a. It is suggested to upgrade the affected component.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Gpac· Gpac
95%
All versionsf1219cde
Vendor states this is fixed in abi-16.23 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (9)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/403653
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403653/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-91091
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/919761
Issue Tracking
Source: cverecord
https://github.com/gpac/gpac/issues/3811
Exploit
Source: cverecord
https://github.com/user-attachments/files/30400179/poc_18_nstatx.zip
Patch
Source: cverecord
https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a
Patch
Source: cverecord
https://github.com/gpac/gpac/releases/tag/abi-16.23

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-119

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