SB2025121168 - Multiple vulnerabilities in TeamCity

Description

This security bulletin contains information about 2 vulnerabilities.

1) Improper Authorization in Handler for Custom URL Scheme (CVE-ID: CVE-2025-67739)

CWE-ID: CWE-939 - Improper Authorization in Handler for Custom URL Scheme

CVSSv4: 6.3 [CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N]

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to improper validation of the repository URL. A remote attacker can obtain local paths. 

2) Cleartext Storage of Sensitive Information in an Environment Variable (CVE-ID: CVE-2026-49377)

CWE-ID: CWE-526 - Cleartext Storage of Sensitive Information in an Environment Variable

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

The vulnerability allows a remote user to disclose sensitive information.

The vulnerability exists due to exposure of sensitive information in default agent parameters when handling agent configuration and parameter data. A remote user can access default agent parameters to disclose sensitive information.

Remediation

Install update from vendor's website.

References

• https://www.jetbrains.com/privacy-security/issues-fixed/#7b72230643c457ac57ee556abb087311
• https://www.jetbrains.com/privacy-security/issues-fixed/#32e76371650d0368ebc76013c0c17b2b