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PatchSiren cyber security CVE debrief

CVE-2026-75053 JetBrains CVE debrief

CVE-2026-75053 is a medium-severity SSRF vulnerability in JetBrains IntelliJ IDEA before 2026.2.1. The vulnerability is exploitable via the DevKit debug listener endpoint, allowing for potential unauthorized access. Defenders should assess exposure and apply remediation to prevent SSRF attacks. This vulnerability requires verification of exposure and prompt remediation. The CVE record and NVD entry provide details on the vulnerability, and defenders should review these sources for accurate information.

Vendor
JetBrains
Product
IntelliJ IDEA
CVSS
MEDIUM 5.4
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 JetBrains IntelliJ IDEA deployments, vulnerability management teams, and security teams should assess exposure and apply remediation. These stakeholders should review the CVE record and NVD entry for accurate information and prioritize verifying exposure in IntelliJ IDEA deployments and applying vendor remediation.

Why it matters

CVE-2026-75053 is a medium-severity SSRF vulnerability in JetBrains IntelliJ IDEA before 2026.2.1, requiring verification of exposure and prompt remediation.

  • Verify exposure in IntelliJ IDEA deployments
  • Apply vendor remediation to prevent SSRF attacks
  • Monitor for potential SSRF attacks

Technical summary

The CVE record and NVD entry describe a server-side request forgery (SSRF) vulnerability in JetBrains IntelliJ IDEA before 2026.2.1, exploitable via the DevKit debug listener endpoint. This medium-severity vulnerability requires verification of exposure and prompt remediation. Defenders should prioritize verifying exposure in IntelliJ IDEA deployments and applying vendor remediation.

Defensive priority

Defenders should prioritize verifying exposure in IntelliJ IDEA deployments and applying vendor remediation.

Recommended defensive actions

  • Verify IntelliJ IDEA version and apply 2026.2.1 or later if vulnerable
  • Review and restrict access to the DevKit debug listener endpoint
  • Monitor for potential SSRF attacks

Evidence notes

The CVE record and NVD entry describe a server-side request forgery (SSRF) vulnerability in JetBrains IntelliJ IDEA before 2026.2.1, exploitable via the DevKit debug listener endpoint. Evidence from the CVE record and NVD entry provides details on the vulnerability. Defenders should verify exposure in IntelliJ IDEA deployments and apply vendor remediation. The source corpus provides limited detail, so explicit evidence-limit language and defensive verification tasks are necessary.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-75053 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-75053

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

  • CVE-2026-75053 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-75053

    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.