CVE-2026-1522

5.3 MEDIUM
Published: January 28, 2026 Modified: February 23, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/open5gs/open5gs/issues/4266
Source: cna@vuldb.com
Exploit Issue Tracking Patch Vendor Advisory
https://github.com/open5gs/open5gs/issues/4266#event-21968568116
Source: cna@vuldb.com
Exploit Issue Tracking Patch
https://github.com/open5gs/open5gs/issues/4266#issue-3794991595
Source: cna@vuldb.com
Exploit Issue Tracking Patch Vendor Advisory
https://vuldb.com/?ctiid.343193
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.343193
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.738371
Source: cna@vuldb.com
Exploit Third Party Advisory VDB Entry

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.0%
12th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

open5gs