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CVE-2026-55433

5.4 · MEDIUM

Coder allows organizations to provision remote development environments via Terraform.

Published Jul 8, 2026CWE-862EPSS 0.39%

Overview

CVE-2026-55433 is a medium-severity vulnerability. It was published on July 8, 2026 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, the devcontainer recreate endpoint relied on route middleware that checked only `ActionRead` on the workspace and, unlike the sibling delete endpoint, performed no `ActionUpdate` check before triggering the destructive rebuild. Exploitation requires an existing low-privilege role with access to the target workspace. The fix in versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2 adds an explicit `ActionUpdate` authorization check before the agent is dialed like the delete endpoint. No known workarounds are available.

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/coder/coder/pull/25812GitHubgithub.com/coder/coder/releases/tag/v2.29.17GitHubgithub.com/coder/coder/releases/tag/v2.32.7GitHubgithub.com/coder/coder/releases/tag/v2.33.8GitHubgithub.com/coder/coder/releases/tag/v2.34.2GitHubgithub.com/coder/coder/security/advisories/GHSA-jqj2-x4c5-jfxm

How CyberStrike helps

Frequently asked questions

What is CVE-2026-55433?

CVE-2026-55433 is a medium-severity vulnerability. It was published on July 8, 2026 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2026-55433?

This vulnerability has a CVSS 3.1 base score of 5.4, 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-2026-55433?

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-2026-55433?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-55433 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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