CVE-2026-110203: Roo-Code through 3.54.0 Auto-Approve Bypass via Quote Masking Desynchronization

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-10-13 · updated 2026-10-15
Weakness: CWE-436

Description

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.

Affected products

RooCodeInc Roo-Code: through 3.54.0

References

https://github.com/7rah/oss-cve/blob/6adb836d24ca446fd168c3acdc4c170beb77fe0f/roocode-quote-boundary.md
https://github.com/RooCodeInc/Roo-Code/blob/v3.54.0/src/shared/parse-command.ts#L111-L115
https://www.vulncheck.com/advisories/roo-code-through-3.54.0-auto-approve-bypass-via-quote-masking-desynchronization

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