CVE-2026-1522

Open5GS SGWC s5c-handler.c sgwc_s5c_handle_modify_bearer_response denial of service

State
Published
Severity
6.9 Medium
Published
Jan 28, 2026
Updated
Feb 23, 2026
Reserved
Jan 28, 2026

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Description

A weakness has been identified in Open5GS up to 2.7.6. This vulnerability affects the function sgwc_s5c_handle_modify_bearer_response of the file src/sgwc/s5c-handler.c of the component SGWC. Executing a manipulation can lead to denial of service. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. This patch is called b19cf6a. Applying a patch is advised to resolve this issue. The issue report is flagged as already-fixed.

Scores

CVSSScoreVectorSource
4.06.9 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:PVulDB
3.15.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:CVulDB
3.05.3 MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:CVulDB
2.05.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:CVulDB

Weaknesses

Affected Products

ProductVersions
Open5GSn/a
  • 2.7.0Affected
  • 2.7.1Affected
  • 2.7.2Affected
  • 2.7.3Affected
  • 2.7.4Affected
  • 2.7.5Affected
  • 2.7.6Affected

References

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