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TI-2026-85873 Aliases CVE-2026-123332GHSA-8c64-89j3-78qp

YouTrack missing authorization lets project admins manage VCS hosting

Priority LOW 21CWE-862Published · Updated

Key facts

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

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

Summary

JetBrains YouTrack before 2026.2.19562 has a missing authorization check (CWE-862) that lets a user with the Project Admin role manage VCS hosting server configurations. A Project Admin can change these settings even though they should not be allowed to. The CVSS vector requires high privileges and no user interaction over the network, and it rates the impact on confidentiality, integrity and availability as low.

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

Description from the CNA

In JetBrains YouTrack before 2026.2.19562 missing authorization allowed Project Admin to manage VCS hosting server configurations

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00221 12th percentileScored 2026-11-07
Fix Fixed YouTrack (JetBrains): 2026.2.19562

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
JetBrainsYouTrackbefore 2026.2.195622026.2.19562Patch availableCNA
  • YouTrack VendorJetBrains Affected before 2026.2.19562 Fixed in 2026.2.19562 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:youtrack:*:*:*:*:*:*:*:*——JetBrains
  • cpe:2.3:a:jetbrains:youtrack:*:*:*:*:*:*:*:* Versions — — ·JetBrains

Remediation

Update JetBrains YouTrack to version 2026.2.19562 or later.

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

  • Fix · CNA YouTrack (JetBrains) Fixed in 2026.2.19562

Fixed in the same release

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

  • Release ·

    JetBrains YouTrack 2026.2.19562

    7 records Highest priority Priority LOW 7 LOW

    Other records, highest priority first

    • TI-2026-85868 JetBrains YouTrack saved query endpoint discloses issue descriptionsPriority LOW 39
    • TI-2026-85865 Information disclosure via shared mailbox history in JetBrains YouTrackPriority LOW 34
    • TI-2026-85871 JetBrains YouTrack missing authorization lets read-only users change visibilityPriority LOW 24
    Show all 7 records →

Timeline

  1. 2026-11-06 Threatist record created from CVE-2026-123332
  2. 2026-11-06 Alias added: GHSA-8c64-89j3-78qp
  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