CVE-2026-8266
Medium
Description
A vulnerability was detected in Open5GS up to 2.7.7. This affects the function gsm_build_pdu_session_establishment_accept of the file /src/smf/gsm-build.c of the component SMF. The manipulation results in denial of service. The attack can be launched remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
SeverityMedium
CVSS4.3
Exploit probability—
ProductOpen5gs
PublishedMay 11, 2026
First seenMay 11, 2026
Weakness typeCWE-404CWE-404
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| open5gs open5gs | v ≤ 2.7.7 | — |
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