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TI-2026-85869 Aliases CVE-2026-123328GHSA-gr59-mv72-px7w

Permission bypass in JetBrains YouTrack lets users escalate privileges

Priority LOW 30CWE-863Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-863.

Summary

JetBrains YouTrack before 2026.2.19656 has an incorrect authorization flaw (CWE-863) in its app permission checks. A high-privileged user with network access can bypass the permission check through the project tab and escalate privileges. The attacker needs high privileges and user interaction, and the impact is high confidentiality, integrity and availability.

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

Description from the CNA

In JetBrains YouTrack before 2026.2.19656 app permission bypass allowed privilege escalation via project tab

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00276 20th percentileScored 2026-11-07
Fix Fixed YouTrack (JetBrains): 2026.2.19656

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

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 2026.2.196562026.2.19656Patch availableCNA
  • YouTrack VendorJetBrains Affected before 2026.2.19656 Fixed in 2026.2.19656 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 2026.2.19656 or later.

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

  • Fix · CNA YouTrack (JetBrains) Fixed in 2026.2.19656

Fixed in the same release

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

  • Release ·

    JetBrains YouTrack 2026.2.19656

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-85878 Missing authorization in JetBrains YouTrack lets users change issue visibilityPriority LOW 15
    Show all 2 records →

Timeline

  1. 2026-11-06 Threatist record created from CVE-2026-123328
  2. 2026-11-06 Alias added: GHSA-gr59-mv72-px7w
  3. 2026-11-06 CISA SSVC decision points changed
  4. 2026-11-06 Priority changed: MEDIUM → LOW
  5. 2026-11-07 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