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Description

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.

PUBLISHED Reserved 2026-05-30 | Published 2026-05-31 | Updated 2026-05-31 | Assigner VulDB




MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
HIGH: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
HIGH: 7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C

Problem types

Improper Authentication

Timeline

2026-05-30:Advisory disclosed
2026-05-30:VulDB entry created
2026-05-30:VulDB entry last update

Credits

Seungjoon Na (VulDB User) reporter

References

vuldb.com/vuln/367410 (VDB-367410 | Open5GS NGAP PathSwitchRequest Message ngap-handler.c improper authentication) vdb-entry

vuldb.com/vuln/367410/cti (VDB-367410 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/818939 (Submit #818939 | open5gs Open5GS v2.7.6 Improper Authentication) third-party-advisory

github.com/open5gs/open5gs/issues/4393 exploit issue-tracking

github.com/open5gs/open5gs/pull/4557 issue-tracking patch

github.com/...ommit/a188e36b1741ffc2252133f59b1bda4f14d3cb5c patch

github.com/open5gs/open5gs/ product

cve.org (CVE-2026-10157)

nvd.nist.gov (CVE-2026-10157)

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