CVE-2026-1586

medium

Description

A flaw has been found in Open5GS up to 2.7.5. Impacted is the function ogs_gtp2_f_teid_to_ip of the file /sgwc/s11-handler.c of the component SGWC. Executing a manipulation can lead to denial of service. The attack may be performed from remote. The exploit has been published and may be used. It is advisable to implement a patch to correct this issue. The issue report is flagged as already-fixed.

References

https://vuldb.com/?id.343349

https://github.com/open5gs/open5gs/issues/4273#issue-3796030721

https://vuldb.com/?submit.738375

https://vuldb.com/?ctiid.343349

https://github.com/open5gs/open5gs/issues/4273#event-21968643659

https://github.com/open5gs/open5gs/issues/4273

Details

Source: Mitre, NVD

Published: 2026-01-29

Updated: 2026-02-02

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

CVSS v4

Base Score: 6.9

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Severity: Medium

EPSS

EPSS: 0.00057