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CVE-2026-82590

4.3 · MEDIUM

A weakness has been identified in Open5GS up to 2.7.7.

Published Aug 30, 2026CWE-617EPSS 0.55%

Overview

CVE-2026-82590 is a medium-severity vulnerability. It was published on August 30, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A weakness has been identified in Open5GS up to 2.7.7. The affected element is the function smf_nudm_sdm_handle_get of the file src/smf/nudm-handler.c of the component SMF. Executing a manipulation of the argument preemptCap can lead to reachable assertion. The attack may be launched remotely. Upgrading to version 2.8.0 is sufficient to fix this issue. This patch is called 4554405f29bffd7562abedbee63484825bd90cd5. You should upgrade the affected component.

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/commit/4554405f29bffd7562abedbee63484825bd90cd5GitHubgithub.com/open5gs/open5gs/issues/4455GitHubgithub.com/open5gs/open5gs/releases/tag/v2.8.0Refvuldb.com/cve/CVE-2026-82590Refvuldb.com/submit/891893Refvuldb.com/vuln/397085Refvuldb.com/vuln/397085/cti

How CyberStrike helps

Frequently asked questions

What is CVE-2026-82590?

CVE-2026-82590 is a medium-severity vulnerability. It was published on August 30, 2026 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2026-82590?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-82590?

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-2026-82590?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-82590 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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