Open Redirect in JetBrains TeamCity SAML Plugin

Publication date: 2026-05-29

Last updated on: 2026-06-02

Assigner: JetBrains s.r.o.

Description

In JetBrains TeamCity before 2026.1 open redirect in the SAML plugin was possible

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published

2026-05-29

Last Modified

2026-06-02

Generated

2026-07-09

AI Q&A

2026-05-29

EPSS Evaluated

2026-07-08

NVD

CVE-2026-49380

EUVD

EUVD-2026-33388

Affected Vendors & Products

Vendor	Product	Version / Range
jetbrains	teamcity	to 2026.1 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-601	The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.

Attack-Flow Graph

Executive Summary

This vulnerability is an open redirect issue found in the SAML plugin of JetBrains TeamCity versions before 2026.1. An open redirect occurs when an application allows redirection to an untrusted URL, which can be exploited by attackers to redirect users to malicious sites.

Impact Analysis

The impact of this vulnerability is limited to the potential for attackers to redirect users to malicious websites through the open redirect in the SAML plugin. According to the CVSS score of 3.1, the vulnerability has low severity with no impact on confidentiality or availability, but it can cause limited integrity issues.

Hi! I’m here to help you understand CVE-2026-49380. Ask me anything about the vulnerability, its impact, or mitigation strategies.

0/70