🛡️ CVE-2026-49380 — teamcity

🟢 CVSS 3.1 — Low ✅ No Known Exploit CWE-601 NVD
3.1
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

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

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity low, availability none.

Weakness class

CVE-2026-49380 is classified as CWE-601: Open Redirect. A redirect target is taken from user input, so a trusted link can send the visitor to an attacker's site.

Affected software

CVE-2026-49380 is recorded against 2 packages.

  • teamcity (fixed in 2026.1)
  • unknown

Timeline and source

Published on 29 May 2026 and last revised on 22 July 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.jetbrains.com

Details

Severity LOW
CVSS Score 3.1
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
CWE CWE-601
Public Exploit ✅ No
Source NVD
Published 2026-05-29
Updated 2026-08-11
Modified 2026-07-22
Fix URL N/A

Affected Packages

Software From version Fixed in
teamcity — 2026.1
unknown — —

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