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Medium severity · published Sep 15, 2026
CVE-2026-91091
GPAC Node Insertion base_scenegraph.c gf_node_list_insert_child memory corruption
4.3
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GP
GPAC · Gpac
f1219cde · source: vendor
Affected product
GP
GPAC
Gpac
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-91091
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-91091
github.com
https://github.com/gpac/gpac/
github.com
https://github.com/gpac/gpac/commit/49dee5cad329cfed310c1682703df7daa47df31a
github.com
https://github.com/gpac/gpac/issues/3811
github.com
https://github.com/gpac/gpac/releases/tag/abi-16.23
github.com
https://github.com/user-attachments/files/30400179/poc_18_nstatx.zip
vuldb.com
https://vuldb.com/cve/CVE-2026-91091
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