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High severity · published Sep 15, 2026
CVE-2026-91087
GPAC Compositor media_object.c gf_mo_get_od_id use after free
7.3
CVSS
0.6%
EPSS
No
On KEV
Description
A flaw has been found in GPAC up to f1219cde. This vulnerability affects the function gf_mo_get_od_id of the file compositor/media_object.c of the component Compositor. Executing a manipulation can lead to use after free. The attack may be performed from remote. The exploit has been published and may be used. Upgrading to version abi-16.24 is able to resolve this issue. This patch is called e34f4ba349d55cd1849f0bcf4cf46552732e2db7. Upgrading the affected component is advised.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% 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-2026-91087
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-91087
github.com
https://github.com/gpac/gpac/
github.com
https://github.com/gpac/gpac/commit/e34f4ba349d55cd1849f0bcf4cf46552732e2db7
github.com
https://github.com/gpac/gpac/issues/3807
github.com
https://github.com/gpac/gpac/releases/tag/abi-16.24
github.com
https://github.com/user-attachments/files/30399593/poc_12_info.zip
vuldb.com
https://vuldb.com/cve/CVE-2026-91087
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