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TI-2026-85874 Aliases CVE-2026-123333GHSA-qf8h-6h7q-p497

Authorization flaw in JetBrains YouTrack sprint creation

Priority LOW 17CWE-863Published · Updated

Key facts

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

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

Summary

JetBrains YouTrack before 2026.2.19562 has an incorrect authorization flaw (CWE-863) in sprint creation. Sprint creation allows moving issues from projects the user cannot access between sprints. A remote user with high privileges can cause this, with low impact on confidentiality and integrity.

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

Description from the CNA

In JetBrains YouTrack before 2026.2.19562 sprint creation allowed moving issues from inaccessible projects between sprints

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00198 9th 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

Upgrade 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-2026-123333
  2. 2026-11-06 Alias added: GHSA-qf8h-6h7q-p497
  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