CVE-2026-1521

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

Description

A security flaw has been discovered in Open5GS up to 2.7.6. This affects the function sgwc_s5c_handle_bearer_resource_failure_indication of the file src/sgwc/s5c-handler.c of the component SGWC. Performing a manipulation results in denial of service. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The patch is named 69b53add90a9479d7960b822fc60601d659c328b. It is recommended to apply a patch to fix this issue.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

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/4268
Source: cna@vuldb.com
Exploit Issue Tracking Vendor Advisory
https://github.com/open5gs/open5gs/issues/4268#event-21989483261
Source: cna@vuldb.com
Exploit Issue Tracking Vendor Advisory
https://github.com/open5gs/open5gs/issues/4268#issue-3795012861
Source: cna@vuldb.com
Exploit Issue Tracking Vendor Advisory
https://vuldb.com/?ctiid.343192
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.343192
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.738370
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)
0.1%
26th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

open5gs