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CVE-2026-106056

7.5 · HIGH

Rundeck before 6.2.0 contains an OS command injection vulnerability that allows authenticated users with job run permission to execute commands on Windows nodes by supplying crafted option values.

Published Oct 7, 2026CWE-78EPSS 1.22%

Overview

CVE-2026-106056 is a high-severity vulnerability. It was published on October 7, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Rundeck before 6.2.0 contains an OS command injection vulnerability that allows authenticated users with job run permission to execute commands on Windows nodes by supplying crafted option values. Attackers can inject cmd.exe metacharacters such as && or | into free-text options, which CLIUtils.quoteWindowsCMDArg wraps in ineffective single quotes, running commands with node executor credential privileges.

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/rundeck/rundeckGitHubgithub.com/rundeck/rundeck/blob/v6.1.0/core/src/main/java/com/dtolabs/rundeck/core/cli/CLIUtils.java#L146-L158GitHubgithub.com/rundeck/rundeck/commit/807d9cf0eef63669b342e02e05a740e97f84f013GitHubgithub.com/rundeck/rundeck/pull/10414GitHubgithub.com/rundeck/rundeck/releases/tag/v6.2.0Refwww.vulncheck.com/advisories/rundeck-before-6.2.0-os-command-injection-via-windows-job-option-quoting

How CyberStrike helps

Frequently asked questions

What is CVE-2026-106056?

CVE-2026-106056 is a high-severity vulnerability. It was published on October 7, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-106056?

This vulnerability has a CVSS 3.1 base score of 7.5, 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-2026-106056?

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-2026-106056?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-106056 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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