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CVE-2026-41153 JetBrains CVE debrief

CVE-2026-41153 is a medium-severity vulnerability in JetBrains Junie that allows for command execution via malicious project files. The vulnerability has a CVSS score of 5.8 and is classified under CWE-77. Defenders responsible for Junie deployments, especially those with untrusted project file sources, should assess exposure and prioritize verification and remediation efforts. This vulnerability was reported via [email protected] and affects Junie versions before 252.549.29. Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up. Review the supplied official advisory or CVE record to validate affected scope, severity, and Plan

Vendor
JetBrains
Product
Junie
CVSS
MEDIUM 5.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-04-17
Original CVE updated
2026-10-26
Advisory published
2026-04-17
Advisory updated
2026-10-26

Who should care

Defenders responsible for Junie deployments, especially those with untrusted project file sources, should assess exposure and prioritize verification and remediation efforts.

Why it matters

CVE-2026-41153 is a medium-severity vulnerability in JetBrains Junie that allows for command execution via malicious project files. Defenders should prioritize verifying exposure in Junie deployments, especially where project files are sourced from untrusted origins, and implement additional monitoring for suspicious activity.

  • Verify Junie version and restrict project file sources to prevent command execution.
  • Implement monitoring for suspicious project file activity to detect potential exploitation attempts.

Technical summary

CVE-2026-41153 is a medium-severity vulnerability in JetBrains Junie before version 252.549.29. It allows for command execution via malicious project files. The vulnerability has a CVSS score of 5.8 and is classified under CWE-77. Defenders should prioritize verifying exposure in Junie deployments, especially where project files are sourced from untrusted origins, and implement additional monitoring for suspicious activity. The CVE record and NVD entry provide details on the vulnerability in JetBrains Junie before version 252.549.29, which allows for command

Defensive priority

Defenders should prioritize verifying exposure in Junie deployments, especially where project files are sourced from untrusted origins.

Recommended defensive actions

  • Verify Junie deployments to determine if versions prior to 252.549.29 are in use.
  • Restrict project file sources to trusted origins.
  • Implement additional monitoring for suspicious project file activity.

Evidence notes

The CVE record and NVD entry provide details on the vulnerability in JetBrains Junie before version 252.549.29, which allows for command execution via malicious project files.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-41153 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-41153

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

  • CVE-2026-41153 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-41153

    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.