CVE-2026-10157: Open5GS NGAP PathSwitchRequest Message ngap-handler.c improper authentication
A vulnerability was identified in Open5GS up to 2.7.6. This impacts an unknown function of the file src/amf/ngap-handler.c of the component NGAP PathSwitchRequest Message Handler. The manipulation leads to improper authentication. It is possible to initiate the attack remotely. The exploit is publicly available and might be used. The identifier of the patch is a188e36b1741ffc2252133f59b1bda4f14d3cb5c. It is suggested to install a patch to address this issue.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Open5GSto a version that resolves this vulnerability.Fixed in 2.7.6Patch a188e36b1741ffc2252133f59b1bda4f14d3cb5c - Compensating control
Apply compensating controls while patching: restrict network access to the Open5GS NGAP interface (e.g., AMF NGAP/NGAP PathSwitchRequest handling) to trusted peers only, since the issue can be initiated remotely and is related to improper authentication in ngap-handler.c/src/amf/ngap-handler.c.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-10157?
The severity of CVE-2026-10157 is rated high with a score of 7.3.
How do I fix CVE-2026-10157?
To fix CVE-2026-10157, update Open5GS to version 2.7.7 or later.
What systems are affected by CVE-2026-10157?
CVE-2026-10157 affects Open5GS versions up to 2.7.6.
What type of vulnerability is CVE-2026-10157?
CVE-2026-10157 is identified as an improper authentication vulnerability.
Can CVE-2026-10157 be exploited remotely?
Yes, CVE-2026-10157 can be exploited remotely due to its nature.