What is CVE-2026-55249?

CVE-2026-55249 is a medium-severity vulnerability in Rtk-ai Rtk, classified under OS Command Injection. CVSS score: 6.3/10. Published 2026-06-23.

How severe is CVE-2026-55249?

Medium severity. CVSS v3 base score is 6.3 out of 10.

RCE in Rtk-ai Rtk

CVE-2026-55249

@rtk-ai/rtk-rewrite transparently rewrites shell commands executed via OpenClaw's exec tool to their RTK equivalents. In 1.0.0, the @rtk-ai/rtk-rewrite OpenClaw plugin passes attacker-controlled input directly into a shell-backed execSync(…

Vulnerability class: Command Injection (OS Command Injection)

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N.

Affected products

Rtk-ai Rtk — versions 1.0.0

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-55249?: CVE-2026-55249 is a medium-severity vulnerability in Rtk-ai Rtk, classified under OS Command Injection. CVSS score: 6.3/10. Published 2026-06-23.
How severe is CVE-2026-55249?: Medium severity. CVSS v3 base score is 6.3 out of 10.