---
title: "CVE-2026-110204: Roo Code - Command Injection"
description: "Roo Code through 3.54.0 contains a command approval bypass caused by parseCommandLine() treating ${ command; } substitutions as parameter expansions, letting attackers run denied shell commands via indirect prompt injection, exploit requires use of bash 5.3+ or ksh93."
url: https://panop.io/threat-heartbeat/CVE-2026-110204/
---

# CVE-2026-110204 Roo Code - Command Injection

Roo Code through 3.54.0 contains a command approval bypass caused by parseCommandLine() treating ${ command; } substitutions as parameter expansions, letting attackers run denied shell commands via indirect prompt injection, exploit requires use of bash 5.3+ or ksh93.

CVSS base score 8.8 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.49% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-110204)

## Details

Type

Command Injection

Impact

Command Injection

CVSS vector

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

Published

13 October 2026

Updated

15 October 2026

Weakness

[CWE-436](https://cwe.mitre.org/data/definitions/436.html)

## Vendor fix

Update to the latest version beyond 3.54.0.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-110204](https://nvd.nist.gov/vuln/detail/CVE-2026-110204)
- [https://www.vulncheck.com/advisories/roo-code-through-3.54.0-auto-approve-bypass-via-funsub-command-substitution](https://www.vulncheck.com/advisories/roo-code-through-3.54.0-auto-approve-bypass-via-funsub-command-substitution)
- [https://github.com/7rah/oss-cve/blob/6adb836d24ca446fd168c3acdc4c170beb77fe0f/roocode-group03-funsub.md](https://github.com/7rah/oss-cve/blob/6adb836d24ca446fd168c3acdc4c170beb77fe0f/roocode-group03-funsub.md)
- [https://github.com/RooCodeInc/Roo-Code/blob/v3.54.0/src/shared/parse-command.ts#L74-L79](https://github.com/RooCodeInc/Roo-Code/blob/v3.54.0/src/shared/parse-command.ts#L74-L79)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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