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CVE-2026-75056 JetBrains CVE debrief

CVE-2026-75056 debrief based on the supplied source corpus. The CVE record was published on 2026-08-17T16:17:52.770Z and has not been modified since then. This high-severity vulnerability in JetBrains IntelliJ IDEA allows remote code execution via the Markdown export tool in versions prior to 2026.2.1. The CVSS score is 7.8, indicating high severity. Defenders responsible for development environments should assess exposure and prioritize verification and potential updates to mitigate the risk of remote code execution. The CVE record and NVD entry indicate that remote code execution via the Markdown export tool was possible in JetBrains IntelliJ IDEA before 2026.2.1.

Vendor
JetBrains
Product
IntelliJ IDEA
CVSS
HIGH 7.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-08-17
Original CVE updated
2026-09-11
Advisory published
2026-08-17
Advisory updated
2026-09-11

Who should care

Defenders responsible for development environments, especially those using JetBrains IntelliJ IDEA, should assess exposure and prioritize verification and potential updates to mitigate the risk of remote code execution.

Why it matters

CVE-2026-75056 is a high-severity vulnerability in JetBrains IntelliJ IDEA, allowing remote code execution via the Markdown export tool. Defenders should prioritize verification of exposure, especially in development environments using versions prior to 2026.2.1, and assess the need for updates or compensating controls.

  • Verification of IntelliJ IDEA versions and potential updates to 2026.2.1 or later
  • Assessment of exposure and potential impact on development environments
  • Implementation of compensating controls for Markdown export functionality

Technical summary

CVE-2026-75056 is a high-severity vulnerability in JetBrains IntelliJ IDEA, allowing remote code execution via the Markdown export tool in versions prior to 2026.2.1. The vulnerability has a CVSS score of 7.8 and is classified as CWE-78. This vulnerability affects JetBrains IntelliJ IDEA deployments, especially those using versions prior to 2026.2.1. Defenders should prioritize verifying exposure and assess the need for updates or compensating controls. The vulnerability allows remote code execution via the Markdown export tool, indicating a high severity level.

Defensive priority

Defenders should prioritize verifying exposure in IntelliJ IDEA deployments, especially those using versions prior to 2026.2.1, and assess the need for updates or compensating controls.

Recommended defensive actions

  • Verify IntelliJ IDEA version and update to 2026.2.1 or later if necessary
  • Assess exposure and potential impact on development environments
  • Review and implement compensating controls for Markdown export functionality

Evidence notes

The CVE record and NVD entry indicate that remote code execution via the Markdown export tool was possible in JetBrains IntelliJ IDEA before 2026.2.1. The CVSS score is 7.8, indicating high severity.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-75056 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-75056

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

  • CVE-2026-75056 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-75056

    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.