CVE-2026-106056

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.

CVSS 4.0

7.7CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-25)

CWE

CWE-78

Published

2026-10-07

Modified

2026-10-07

Record from

the NVD, synced 2026-10-19

References

• https://github.com/rundeck/rundeck
• https://github.com/rundeck/rundeck/blob/v6.1.0/core/src/main/java/com/dtolabs/rundeck/core/cli/CLIUtils.java#L146-L158
• https://github.com/rundeck/rundeck/commit/807d9cf0eef63669b342e02e05a740e97f84f013
• https://github.com/rundeck/rundeck/pull/10414
• https://github.com/rundeck/rundeck/releases/tag/v6.2.0

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