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TI-2026-85842 Aliases CVE-2026-123300GHSA-4f3w-44wp-2963

JetBrains Hub lets read-only users change auth module group mappings

Priority LOW 13CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

JetBrains Hub before 2026.2.52519 is affected. A missing authorization check (CWE-862) fails to restrict changes to auth module group mappings. A user with read-only access can modify these mappings, which lowers integrity.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

Description from the CNA

In JetBrains Hub before 2026.2.52519 missing authorisation allowed users with read-only access to modify auth module group mappings

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00272 19th percentileScored 2026-11-07
Fix Fixed Hub (JetBrains): 2026.2.52519

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
JetBrainsHubbefore 2026.2.525192026.2.52519Patch availableCNA
  • Hub VendorJetBrains Affected before 2026.2.52519 Fixed in 2026.2.52519 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:jetbrains:hub:*:*:*:*:*:*:*:*——JetBrains
  • cpe:2.3:a:jetbrains:hub:*:*:*:*:*:*:*:* Versions — — ·JetBrains

Remediation

Upgrade JetBrains Hub to version 2026.2.52519 or later, which fixes this issue.

Written with Claude Haiku 5.5 from the sources below · 2026-11-06

  • Fix · CNA Hub (JetBrains) Fixed in 2026.2.52519

Fixed in the same release

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

  • Release ·

    JetBrains Hub 2026.2.52519

    5 records Highest priority Priority LOW 5 LOW

    Other records, highest priority first

    • TI-2026-85837 Enforced two-factor authentication can be disabled in JetBrains HubPriority LOW 37
    • TI-2026-85838 Privilege escalation in JetBrains Hub via forged email verificationPriority LOW 35
    • TI-2026-85839 Two-factor authentication bypass in JetBrains Hub via password resetPriority LOW 32
    Show all 5 records →

Timeline

  1. 2026-11-06 Threatist record created from CVE-2026-123300
  2. 2026-11-06 Alias added: GHSA-4f3w-44wp-2963
  3. 2026-11-06 CISA SSVC decision points changed

References

Other 1

  • TI-2026-45031 Deserialization of untrusted data in JetBrains TeamCity KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-18053 In JetBrains TeamCity before 2023.11.4 authentication bypass allowing to perform admin actions was possible KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-22884 In JetBrains TeamCity before 2023.05.4 authentication bypass leading to RCE on TeamCity Server was possible KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-18054 In JetBrains TeamCity before 2023.11.4 path traversal allowing to perform limited admin actions was possible KEVCVSS 3.1HIGH 7.3
  • TI-2024-15905 In JetBrains TeamCity before 2023.11.3 authentication bypass leading to RCE was possible CVSS 3.1CRITICAL 9.8
  • TI-2024-24589 Insufficiently protected credentials in JetBrains IntelliJ IDEA CVSS 3.1CRITICAL 9.3
See all 787 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences