Vulnerability in Gpac
CVE-2026-90685
A vulnerability has been found in GPAC up to f1219cde. Affected by this issue is the function lsr_exec_command_list of the file laser/lsr_dec.c of the component MP4Box. The manipulation leads to reachable assertion. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. Upgrading to version abi-16.23 can resolve this issue. The identifier of the patch is afca1f1181668d85941d51ed1adf647807d5d975. The affected component should be upgraded.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.8 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (4.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Gpac — versions f1219cde
Weakness classification (CWE)
References
- vuldb.com/vuln/403218 (technical-description, vdb-entry)
- vuldb.com/vuln/403218/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-90685 (third-party-advisory)
- vuldb.com/submit/914027 (third-party-advisory)
- github.com/gpac/gpac/issues/3825 (issue-tracking)
- github.com/r1ck9-2q/cve_summit/blob/main/Vuln GPAC MP4Box Assertion Failure ass… (exploit)
- github.com/gpac/gpac/commit/afca1f1181668d85941d51ed1adf647807d5d975 (patch)
- github.com/gpac/gpac/releases/tag/abi-16.23 (patch)
- github.com/gpac/gpac/ (product)
Frequently asked questions
- What is CVE-2026-90685?
- CVE-2026-90685 is a low-severity vulnerability in Gpac, classified under Reachable Assertion. CVSS score: 2.8/10. Published 2026-09-14.
- How severe is CVE-2026-90685?
- Low severity. CVSS v3 base score is 2.8 out of 10.