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CVE-2026-45767

4.4 · MEDIUM

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine.

Published Sep 10, 2026oisfCWE-22EPSS 0.40%

Overview

CVE-2026-45767 is a medium-severity vulnerability affecting oisf suricata. It was published on September 10, 2026 and has a CVSS 3.1 base score of 4.4 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to versions 7.0.16 and 8.0.5, a malicious rule could potentially overwrite any file on the file system on rule load or reload. Versions 7.0.16 and 8.0.5 fix the issue. Some workarounds are available. Preprocess `load`+ `save` rules to disallow absolute filenames for save, use Suricata's privilege dropping to limit writable files, and/or configure landlock in suricata.yaml.

Remediation

Check the references section for vendor advisories and patches from oisf. Update suricata to the latest patched version. 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.

Affected products

VendorProductVersionsStatus
oisfsuricata>= 7.0.0, < 7.0.16Affected

References

Refforum.suricata.io/t/suricata-8-0-5-and-7-0-16-released/6315GitHubgithub.com/OISF/suricata/security/advisories/GHSA-gfxq-gffp-w9rvRefredmine.openinfosecfoundation.org/issues/8546

How CyberStrike helps

Frequently asked questions

What is CVE-2026-45767?

CVE-2026-45767 is a medium-severity vulnerability affecting oisf suricata. It was published on September 10, 2026 and has a CVSS 3.1 base score of 4.4 (MEDIUM).

How severe is CVE-2026-45767?

This vulnerability has a CVSS 3.1 base score of 4.4, 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-2026-45767?

Check the references section for vendor advisories and patches from oisf. Update suricata to the latest patched version. 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-2026-45767?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-45767 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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