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No exploitation reportedAwaiting NVD analysis

CVE-2026-123837

No exploitation reported by the sources we read.

  • Published2026-11-06
  • WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

In JetBrains IntelliJ IDEA before 2026.3, 2026.2.1 command injection was possible in untrusted projects via Tomcat run configurations on WSL

Timeline

dates in UTC
  1. 2026-11-0616:10CVE publishedCNA

Versions per branch

Products declared by the CNA

As JetBrains, the CNA that assigned this CVE, declared them in the CVE record; versions as written. NVD lists no product for this CVE yet: this is the only product data so far.

  • JetBrains IntelliJ IDEAother versions: not affected
    Affected
    • < 2026.3, 2026.2.1fixed in 2026.3, 2026.2.1semver

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2026-11-06

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-123837 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Metasploit modules
none listed
Metasploit Framework

Sources

  • CISA-ADPSSVC decisionnone2026-11-06
  • CNACVSS 3.17.82026-11-06
  • CNAweakness (CWE)CWE-782026-11-06
  • NVDweakness (CWE)CWE-78read 2026-11-06

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2026-11-06
Last Modified
2026-11-06
NVD status
Received

Frequently asked questions

What is CVE-2026-123837?

In JetBrains IntelliJ IDEA before 2026.3, 2026.2.1 command injection was possible in untrusted projects via Tomcat run configurations on WSL

Is CVE-2026-123837 actively exploited?

Active exploitation of CVE-2026-123837 has not been confirmed.

What is the CVSS score for CVE-2026-123837?

CVE-2026-123837 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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