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CVE-2026-78157

7.4 · HIGH

A vulnerability was detected in Open5GS 2.8.0.

Published Aug 24, 2026CWE-119EPSS 0.28%

Overview

CVE-2026-78157 is a high-severity vulnerability. It was published on August 24, 2026 and has a CVSS 3.1 base score of 7.4 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

A vulnerability was detected in Open5GS 2.8.0. This affects the function pcrf_rx_aar_cb of the file src/pcrf/pcrf-rx-path.c of the component Rx AA-Request Handler. Performing a manipulation results in out-of-bounds read. It is possible to initiate the attack remotely. The patch is named c18dc6938bf63cc7374315d3dca303d92066e746. To fix this issue, it is recommended to deploy a patch.

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/c18dc6938bf63cc7374315d3dca303d92066e746GitHubgithub.com/open5gs/open5gs/issues/4663Refvuldb.com/cve/CVE-2026-78157Refvuldb.com/submit/882953Refvuldb.com/vuln/394540Refvuldb.com/vuln/394540/ctiGitHubgithub.com/open5gs/open5gs/issues/4663

How CyberStrike helps

Frequently asked questions

What is CVE-2026-78157?

CVE-2026-78157 is a high-severity vulnerability. It was published on August 24, 2026 and has a CVSS 3.1 base score of 7.4 (HIGH).

How severe is CVE-2026-78157?

This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-78157?

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-2026-78157?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-78157 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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