Denial of Service Vulnerability in GPAC MP4Box by GPAC
CVE-2026-90684

2.4LOW

Key Information:

Vendor

GPAC

Status
Gpac
Vendor
CVE Published:
14 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-90684?

A vulnerability has been identified in GPAC's MP4Box component, specifically in the function gf_node_get_field_count within the file scenegraph/base_scenegraph.c. This flaw allows for local exploitation that can lead to a reachable assertion failure, potentially causing denial of service. Users are advised to upgrade to version abi-16.23, where this issue is addressed by the patch identified as 49dee5cad329cfed310c1682703df7daa47df31a to enhance system security.

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-2026-90684 - Proof of Concept

References

https://vuldb.com/vuln/403217
vdb-entrytechnical-description
https://vuldb.com/vuln/403217/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-90684
third-party-advisory

CVSS V4

Score:
2.4
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
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

Dem0000000 (VulDB User)
.