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MEDIUM · 4.3

CVE-2026-49378

In JetBrains TeamCity before 2026.1 credentials parameters were exposed via parameter autocompletion

Vulnerability Description

In JetBrains TeamCity before 2026.1 credentials parameters were exposed via parameter autocompletion

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
JetbrainsTeamcity< 2026.1

Related Weaknesses (CWE)

CWE-862

References

FAQ

What is CVE-2026-49378?

CVE-2026-49378 is a vulnerability with a CVSS score of 4.3 (MEDIUM). In JetBrains TeamCity before 2026.1 credentials parameters were exposed via parameter autocompletion

How severe is CVE-2026-49378?

CVE-2026-49378 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-49378?

Check the references section above for vendor advisories and patch information. Affected products include: Jetbrains Teamcity.