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CVE-2026-88937

8.8 · HIGH

knowns through 0.33.0 fails to properly validate template destination paths in the code generation template engine, allowing attackers to read and write arbitrary files outside the project root.

Published Sep 10, 2026CWE-22EPSS 0.65%

Overview

CVE-2026-88937 is a high-severity vulnerability. It was published on September 10, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

knowns through 0.33.0 fails to properly validate template destination paths in the code generation template engine, allowing attackers to read and write arbitrary files outside the project root. Attackers can supply malicious templates that traverse directories to overwrite shell profiles, steal credentials, or achieve persistent code execution on victim systems.

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/knowns-dev/knowns/blob/v0.33.0/internal/codegen/template_engine.go#L318-L344GitHubgithub.com/knowns-dev/knowns/blob/v0.33.0/internal/codegen/template_engine.go#L625-L636GitHubgithub.com/knowns-dev/knowns/security/advisories/GHSA-68cq-4rwm-f7jrGitHubgithub.com/knowns-dev/knowns/security/advisories/GHSA-xjcg-5j3r-m6f9Refwww.vulncheck.com/advisories/knowns-through-0.33.0-path-traversal-via-template-engineGitHubgithub.com/knowns-dev/knowns/security/advisories/GHSA-68cq-4rwm-f7jr

How CyberStrike helps

Frequently asked questions

What is CVE-2026-88937?

CVE-2026-88937 is a high-severity vulnerability. It was published on September 10, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-88937?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-88937?

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-2026-88937?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-88937 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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