CVE-2026-49376

Name: CVE-2026-49376
Creator: NVD / NIST
Published: 2026-05-29T19:16:27.537+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.21%

Last modified Jun 17, 2026

CVE-2026-49376 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In JetBrains TeamCity before 2026.1 insufficient username validation in the SAML plugin. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

In JetBrains TeamCity before 2026.1 insufficient username validation in the SAML plugin

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS Probability

0.21%

10.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-863

Affected Software

Vendor	Product	Versions
Jetbrains	Teamcity	< 2026.1

References

https://www.jetbrains.com/privacy-security/issues-fixed/Vendor Advisory

Timeline

Published: May 29, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-49376?

In JetBrains TeamCity before 2026.1 insufficient username validation in the SAML plugin

How severe is CVE-2026-49376?

CVE-2026-49376 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.

How do I fix CVE-2026-49376?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-49376?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST