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In JetBrains Hub before 2026.2.52519 information disclosure via user search queries was possible

3.1LowCNA
Exploited
No known exploitation
Fix
Fixed in 2026.2.52519
Who is exposed
Not reported

Do first: Upgrade to a fixed version: 2026.2.52519.

Published
Last modified
6/100 · provisional
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

In JetBrains Hub before 2026.2.52519 information disclosure via user search queries was possible

cve.now Index

6Pcve.now Index 6 of 100 · methodology v3 · provisional
  • Exploitation0/40No signal
  • Exposure3/25Reachable over the network · Unknown: No advisory context yet
  • Reach?/20Unknown. No tracked technology or package matched
  • Severity3.1/10CVSS 3.1
  • No patch0/5No signal

What would change the score

  • Would score about 61 if added to CISA KEV
  • Would score about 56 if CISA's SSVC rates exploitation active
  • Would score about 25 if advisories confirm default setups are exposed

What to do

  • Upgrade to a fixed version: 2026.2.52519.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  4. Record last updated

Affected versions

  • JetBrains Hub

    fixed in 2026.2.52519

Evidence 1

  1. Link

Corrections

None so far.

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Questions about CVE-2026-123299

Is CVE-2026-123299 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data

Which versions are affected by CVE-2026-123299?

Hub: before 2026.2.52519.Source: cve.now feed data

How do I fix CVE-2026-123299?

Upgrade to a fixed version: 2026.2.52519.Source: cve.now feed data