Read the docs
TI-2026-52740 Aliases CVE-2026-75054GHSA-mw34-c6m6-g442

In JetBrains IntelliJ IDEA before 2026.2.1 sSRF was possible via the OpenAPI preview proxy in untrusted projects

Priority LOW 27CWE-918Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.

Summary

In JetBrains IntelliJ IDEA before 2026.2.1 sSRF was possible via the OpenAPI preview proxy in untrusted projects

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00153 4th percentileScored 2026-11-07
Fix Fixed IntelliJ IDEA (JetBrains): 2026.2.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JetBrainsIntelliJ IDEAbefore 2026.2.12026.2.1Patch availableCNA
  • IntelliJ IDEA VendorJetBrains Affected before 2026.2.1 Fixed in 2026.2.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jetbrains:intellij_idea:*:*:*:*:*:*:*:*before 2026.2.1VulnerableJetBrains
  • cpe:2.3:a:jetbrains:intellij_idea:*:*:*:*:*:*:*:* Versions before 2026.2.1 Vulnerable ·JetBrains

Remediation

  • Fix · CNA IntelliJ IDEA (JetBrains) Fixed in 2026.2.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    JetBrains IntelliJ IDEA 2026.2.1

    6 records Highest priority Priority LOW 6 LOW

    Other records, highest priority first

    • TI-2026-52742 In JetBrains IntelliJ IDEA before 2026.2.1 rCE via Markdown export tool was possiblePriority LOW 35
    • TI-2026-52744 In JetBrains IntelliJ IDEA before 2026.2.1 xXE was possible in the Eclipse settings importersPriority LOW 24
    • TI-2026-52741 In JetBrains IntelliJ IDEA before 2026.2.1 hadoop ResourceManager could read local files via XXEPriority LOW 24

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-75054
  2. 2026-10-03 Alias added: GHSA-mw34-c6m6-g442

References

  • TI-2024-24589 Insufficiently protected credentials in JetBrains IntelliJ IDEA CVSS 3.1CRITICAL 9.3
  • TI-2026-46342 In JetBrains IntelliJ IDEA before 2026.2 unauthorized settings modification was possible in a Remote Development session CVSS 3.1CRITICAL 10.0
  • TI-2026-46341 In JetBrains IntelliJ IDEA before 2026.2 unauthorized input injection was possible in a Remote Development session CVSS 3.1CRITICAL 10.0
  • TI-2019-07428 In several JetBrains IntelliJ IDEA Ultimate versions, an Application Server run… CVSS 3.0CRITICAL 9.8
  • TI-2019-06646 In several JetBrains IntelliJ IDEA versions, a Spring Boot run configuration with the… CVSS 3.0CRITICAL 9.8
  • TI-2020-09382 In JetBrains IntelliJ IDEA before 2020.1, the license server could be resolved to an untrusted host in some cases. CVSS 3.1CRITICAL 9.8
See all 76 →

Sources