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CVE-2026-94445

8.8 · HIGH

A malicious txtar could escape the intended execution context and force arbitrary writes to the playground host's trusted filesystem.

Published Sep 25, 2026CWE-20EPSS 0.36%

Overview

CVE-2026-94445 is a high-severity vulnerability. It was published on September 25, 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

A malicious txtar could escape the intended execution context and force arbitrary writes to the playground host's trusted filesystem.

Disjointly, one of the three possible paths to invoke go vet on the playground host did not correctly restrict the execution environment. This permitted a Go process to make a read for an environment configuration file rooted in the playground host's $HOME.

Together, a well-crafted go env file and the go vet invocation could lead to remote code execution in the playground host itself.

This does not affect users of go.dev/play directly; however, it may affect independent deployments of golang.org/x/playground.

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

Refgo.dev/cl/838485Refgo.dev/issue/81737

How CyberStrike helps

Frequently asked questions

What is CVE-2026-94445?

CVE-2026-94445 is a high-severity vulnerability. It was published on September 25, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-94445?

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-2026-94445?

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-2026-94445?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-94445 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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