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CVE-2026-1736

5.3 · MEDIUM

A security vulnerability has been detected in Open5GS up to 2.7.6.

Published Feb 2, 2026CWE-617EPSS 0.69%

Overview

CVE-2026-1736 is a medium-severity vulnerability. It was published on February 2, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A security vulnerability has been detected in Open5GS up to 2.7.6. Impacted is the function sgwc_s11_handle_create_indirect_data_forwarding_tunnel_request of the file /src/sgwc/s11-handler.c of the component SGWC. Such manipulation leads to reachable assertion. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. A patch should be applied to remediate this issue. The issue report is flagged as already-fixed.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/open5gs/open5gs/GitHubgithub.com/open5gs/open5gs/issues/4270GitHubgithub.com/open5gs/open5gs/issues/4270#event-21968624624GitHubgithub.com/open5gs/open5gs/issues/4270#issue-3795141303Refvuldb.com/?ctiid.343635Refvuldb.com/?id.343635Refvuldb.com/?submit.741191

How CyberStrike helps

Frequently asked questions

What is CVE-2026-1736?

CVE-2026-1736 is a medium-severity vulnerability. It was published on February 2, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-1736?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-1736?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-1736?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-1736 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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