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CVE-2026-90827

GPAC MP4Box base_scenegraph.c gf_node_deactivate_ex use after free

LOW
3.3
CVSS Score
Published: September 14, 2026 at 09:45 PM UTC
Updated: September 15, 2026 at 02:51 PM UTC
1 product affected across 1 vendorGpac

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Severity
LOW3.3
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

A vulnerability was identified in GPAC 26.07.0. This affects the function gf_node_deactivate_ex of the file scenegraph/base_scenegraph.c of the component MP4Box. Such manipulation leads to use after free. The attack must be carried out locally. The exploit is publicly available and might be used. Upgrading to version abi-16.23 is able to mitigate this issue. The name of the patch is 49dee5cad329cfed310c1682703df7daa47df31a. You should upgrade the affected component.

Affected

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

Gpac· Gpac
95%
26.07.0
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/403329
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403329/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-90827
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/914952
Issue Tracking
Source: cverecord
https://github.com/gpac/gpac/issues/3813
Exploit
Source: cverecord
https://github.com/user-attachments/files/30400423/poc_20_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

3.3LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-416CWE-119

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