Read the docs
TI-2019-09075 Aliases CVE-2019-12156GHSA-q3xq-8f4w-2g7c

Server metadata could be exposed because one of the error messages reflected the whole…

Priority LOW 26CWE-209Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-209.

Summary

Server metadata could be exposed because one of the error messages reflected the whole response back to the client in JetBrains TeamCity versions before 2018.2.5 and UpSource versions before 2018.2 build 1293.

Why it matters now

EPSS 0.00904 60th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:jetbrains:upsource:*:*:*:*:*:*:*:*before 2018.2.1290VulnerableJetBrains
  • cpe:2.3:a:jetbrains:upsource:*:*:*:*:*:*:*:* Versions before 2018.2.1290 Vulnerable ·JetBrains

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-12156
  2. 2026-10-03 Alias added: GHSA-q3xq-8f4w-2g7c

References

Advisory 1

  • TI-2019-09076 In JetBrains UpSource versions before 2018.2 build 1293, there is credential disclosure via RPC commands. CVSS 3.1CRITICAL 9.8
  • TI-2019-14199 In JetBrains Upsource before 2020.1, information disclosure is possible because of an incorrect user matching algorithm. CVSS 3.1HIGH 7.5
  • TI-2021-10884 In JetBrains UpSource before 2020.1.1883, application passwords were not revoked correctly CVSS 3.1HIGH 7.5
  • TI-2019-11159 JetBrains Upsource before 2019.1.1412 was not properly escaping HTML tags in a code block comments, leading to XSS. CVSS 3.1MEDIUM 6.1

Sources

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