CVE-2026-110203: Roo Code through 3.54.0 contains a command approval bypass vulnerability that allows attackers to auto-approve

Q: How do I fix CVE-2026-110203?

roo code: upgrade to newer than 3.54.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-110203 being exploited?

CVE-2026-110203 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-110203 affect?

CVE-2026-110203 affects roo code. Severity is high (CVSS 8.8). Roo Code through 3.54.0 contains a command approval bypass vulnerability that allows attackers to auto-approve denied shell commands by abusing quote-masking regex in parseCommandLine(). Attackers can use indirect prompt injection with esca

Q: How urgent is CVE-2026-110203?

Priority 47/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2026-110203 is a high-severity flaw (CVSS 8.8) affecting roo code. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Roo Code through 3.54.0 contains a command approval bypass vulnerability that allows attackers to auto-approve denied shell commands by abusing quote-masking regex in parseCommandLine(). Attackers can use indirect prompt injection with escaped or single-quoted double quotes to hide command separators behind allowlisted prefixes like echo, executing commands without user approval.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-436
Published	2026-10-13
Last modified	2026-10-15

Publisher (CNA): VulnCheck · Vendor: roocode

Last updated 2026-10-15 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-10-13 19:18 UTCPublished CVE record published
2026-10-15 19:06 UTCUpdated Record last modified

roocode roo code UPGRADE

Affected: <= 3.54.0

Fixed in: newer than 3.54.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy roo-code || rpm -q roo-code || roo-code --version

2. UPGRADE to newer than 3.54.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade roo-code

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade roo-code

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-110203?

roo code: upgrade to newer than 3.54.0. Exact commands for each OS are on this page.

Is CVE-2026-110203 being exploited?

CVE-2026-110203 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-110203 affect?

CVE-2026-110203 affects roo code. Severity is high (CVSS 8.8). Roo Code through 3.54.0 contains a command approval bypass vulnerability that allows attackers to auto-approve denied shell commands by abusing quote-masking regex in parseCommandLine(). Attackers can use indirect prompt injection with esca

How urgent is CVE-2026-110203?

Priority 47/100. High severity; Public exploit reference

Related CVEs

CVE-2026-110206 HIGH 8.8 UPGRADE Roo Code through 3.54.0 contains a command approval bypass vulnerability in parseCommandLine() that allows att
CVE-2026-110202 HIGH 8.8 UPGRADE Roo Code through 3.54.0 contains a command approval bypass vulnerability in getCommandDecision() that allows a
CVE-2026-110204 HIGH 8.8 UPGRADE Roo Code through 3.54.0 contains a command approval bypass vulnerability that allows attackers to run denied s
CVE-2026-110205 HIGH 8.8 UPGRADE Roo Code through 3.54.0 contains a command approval bypass vulnerability in parseCommandLine() that discards c

References

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