CVE-2026-110204 Roo-Code through 3.54.0 Auto-Approve Bypass via Funsub Command Substitution

High 7.7 Published 13 Oct 2026 Updated 13 Oct 2026

Attackers can bypass command approval in Roo Code via prompt injection, executing arbitrary shell commands without user consent.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2026-110204?

CVE-2026-110204 is a high-severity command injection vulnerability in RooCodeInc Roo-Code, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Roo Code through 3.54.0 contains a command approval bypass vulnerability that allows attackers to run denied shell commands because parseCommandLine() treats ${ command; } substitutions as parameter expansions. Attackers using indirect prompt injection can embed denied commands inside an allowlisted command like echo to execute them without user approval on bash 5.3+ or ksh93.

Weakness: CWE-436

Which versions are affected by CVE-2026-110204?

It affects 1 product.

Products include Roocode Roo Code.

How do I fix CVE-2026-110204?

No fix has been published for CVE-2026-110204 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-110204 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-110204 exists.

Sources

Also known as GHSA-mfc9-vhw7-f5w9.