Missing authorization in JetBrains TeamCity
Priority LOW 19CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- 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
In JetBrains TeamCity before 2025.11.3 missing authorization allowed project developers to add parameters to build configurations
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00184 7th percentileScored 2026-11-07
Fix Fixed TeamCity (JetBrains): 2025.11.3
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
Remediation
- Fix · CNA TeamCity (JetBrains) Fixed in 2025.11.3
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
JetBrains TeamCity 2025.11.3
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2026-22533 In JetBrains TeamCity before 2025.11.3 open redirect was possible in the React project creation flowPriority LOW 26
- TI-2026-22535 In JetBrains TeamCity before 2025.11.3 disabling versioned settings left a credentials config on diskPriority LOW 11
Timeline
- 2026-10-02 Threatist record created from CVE-2026-28195
- 2026-10-03 Alias added: GHSA-whqp-34xh-xmxr
References
More JetBrains Teamcity vulnerabilities
- 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-2015-01192 JetBrains TeamCity 8 and 9 before 9.0.2 allows bypass of account-creation restrictions… CVSS 3.1MEDIUM 6.5
Sources
- CVE-2026-28195 · CVE Program
- CVE-2026-28195 · NVD
- FIRST EPSS
- GHSA-whqp-34xh-xmxr · GitHub Advisory Database · CC BY 4.0
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