What is CVE-2026-78158?

CVE-2026-78158 is a medium-severity vulnerability in Open5gs, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-08-24.

How severe is CVE-2026-78158?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Auth bypass in Open5gs

CVE-2026-78158

A flaw has been found in Open5GS 2.8.0. This vulnerability affects unknown code of the component AMF UEContextReleaseRequest Path Handler. Executing a manipulation can lead to improper authorization. It is possible to launch the attack remotely.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

Affected products

N/a Open5gs — versions 2.8.0

Weakness classification (CWE)

CWE-266 — Incorrect Privilege Assignment
CWE-285 — Improper Authorization

References

cna@vuldb.com (vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (related)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-78158?: CVE-2026-78158 is a medium-severity vulnerability in Open5gs, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-08-24.
How severe is CVE-2026-78158?: Medium severity. CVSS v3 base score is 6.3 out of 10.