SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2026-1587

A vulnerability has been found in Open5GS up to 2.7.6.

MEDIUM 5.5EPSS 0.52%

Does this matter?

Lower severity and a low EPSS score (0.52%). Track it; it rarely justifies an emergency change on its own.

Description

A vulnerability has been found in Open5GS up to 2.7.6. The affected element is the function sgwc_s11_handle_modify_bearer_request of the file /sgwc/s11-handler.c of the component SGWC. The manipulation leads to denial of service. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Applying a patch is the recommended action to fix this issue. The issue report is flagged as already-fixed.

CVSS 4.0
5.5 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS
0.52% probability · 43th percentile
CISA KEV
Not listed
Weakness
CWE-404
Affected
open5gs/open5gs
Source
cna@vuldb.com

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.