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CVE-2026-106056

high CVSS 7.5

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.

Versions it affects

Software versions checked with the free lookup that CVE-2026-106056 applies to, and the release that fixes it where the sources name one.

Rundeck 4.17.4 fixed in 6.2.0

At a glance

Severity
High
CVSS base score
7.5 out of 10
Known exploited
Not in CISA's catalogue of exploited vulnerabilities
Weakness
CWE-78
Published
2026-10-07
NVD CVE.org

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