CVE-2026-1521
Unknown Unknown - Not Provided

BaseFortify

Publication date: 2026-01-28

Last updated on: 2026-02-23

Assigner: VulDB

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.

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Meta Information

Published
2026-01-28
Last Modified
2026-02-23
Generated
2026-07-06
AI Q&A
2026-01-29
EPSS Evaluated
2026-07-05
NVD
CVE-2026-1521
EUVD
EUVD-2026-4885

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
open5gs open5gs to 2.7.6 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-404 The product does not release or incorrectly releases a resource before it is made available for re-use.

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Executive Summary

This vulnerability is a security flaw in Open5GS up to version 2.7.6, specifically in the function sgwc_s5c_handle_bearer_resource_failure_indication within the SGWC component. An attacker can remotely manipulate this function to cause a denial of service (DoS) condition, disrupting the normal operation of the system.

Impact Analysis

The vulnerability can be exploited remotely to cause a denial of service, which means that the affected Open5GS system could become unavailable or unresponsive. This could disrupt network services relying on Open5GS, potentially affecting communication and service availability.

Mitigation Strategies

Apply the patch named 69b53add90a9479d7960b822fc60601d659c328b to fix the vulnerability in Open5GS up to version 2.7.6.

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