Memory Corruption Vulnerability in GPAC by GPAC
CVE-2026-91091

5.3MEDIUM

Key Information:

Vendor

GPAC

Status
Gpac
Vendor
CVE Published:
15 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-91091?

A vulnerability affecting GPAC prior to version abi-16.23 has been identified in the Node Insertion component, specifically within the gf_node_list_insert_child function in the base_scenegraph.c file. This vulnerability can lead to memory corruption, allowing remote exploitation of the affected software. It is critical for users to take necessary actions to upgrade to the patched version to secure their systems against potential remote attacks, as public exploits are available.

Affected Version(s)

GPAC f1219cde

GPAC abi-16.23

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-91091 - Proof of Concept

References

https://vuldb.com/vuln/403653
vdb-entrytechnical-description
https://vuldb.com/vuln/403653/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-91091
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

wsstssw (VulDB User)
.