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PatchSiren cyber security CVE debrief

CVE-2026-82536 RooCodeInc CVE debrief

CVE-2026-82536 is a high-severity vulnerability in Roo-Code through version 3.54.0, which allows attackers to bypass auto-approve functionality and execute denied shell commands. The vulnerability exists in the shell command parsing logic, where an attacker can craft a command line with an allowlisted prefix followed by the stderr-redirecting pipe operator and a denied command. This causes the parser to approve the full pipeline while bash executes the denied component with the agent's auto-execute privileges on the developer's machine.

Vendor
RooCodeInc
Product
Roo-Code
CVSS
HIGH 7.7
CISA KEV
Not listed in stored evidence
Original CVE published
2026-09-08
Original CVE updated
2026-09-19
Advisory published
2026-09-08
Advisory updated
2026-09-19

Who should care

Defenders responsible for Roo-Code installations, developers using Roo-Code, and security teams should assess exposure and prioritize patching to prevent exploitation. This includes reviewing and restricting auto-execute privileges for agents, monitoring command-line activity for suspicious pipeline constructions, and implementing compensating controls such as command whitelisting or strict access controls. Additionally, defenders should verify and patch

Why it matters

CVE-2026-82536 is a high-severity vulnerability in Roo-Code that allows attackers to bypass auto-approve functionality and execute denied shell commands. Defenders should prioritize verifying and patching affected installations to prevent exploitation.

  • Attackers can execute arbitrary commands with auto-execute privileges on the developer's machine.
  • The vulnerability allows for potential lateral movement and exploitation within the network.
  • Defenders need to verify and patch affected Roo-Code installations to prevent exploitation.
  • The vulnerability requires verification of affected versions and remediation efforts.

Technical summary

The vulnerability exists in the shell command parsing logic of Roo-Code, where an attacker can craft a command line with an allowlisted prefix followed by the stderr-redirecting pipe operator and a denied command. This causes the parser to approve the full pipeline while bash executes the denied component with the agent's auto-execute privileges on the developer's machine. The vulnerability allows attackers to execute arbitrary commands with auto-execute privileges, potentially leading to lateral movement and exploitation within the network. Defenders should prioritize verifying and patching affected Roo-Code installations to prevent exploitation.

Defensive priority

Defenders should prioritize verifying and patching affected Roo-Code installations, as the vulnerability allows attackers to execute arbitrary commands with auto-execute privileges.

Recommended defensive actions

  • Verify and patch affected Roo-Code installations to prevent exploitation.
  • Review and restrict auto-execute privileges for agents to limit potential damage.
  • Monitor command-line activity for suspicious pipeline constructions.
  • Implement compensating controls, such as command whitelisting or strict access controls.
  • Review relevant monitoring, detection, and logs for exposed assets that need extra review.
  • Track exceptions, retest remediated assets, and close the item only after evidence is documented.
  • Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability, including its description, CVSS score, and affected versions. However, the corpus does not establish versions, exploitation, impact, or remediation beyond the provided information, requiring verification from official sources.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-82536 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-82536

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-82536 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-82536

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.