CVE-2026-49376 json
In JetBrains TeamCity before 2026.1 insufficient username validation in the SAML plugin
published 2026-05-29 5 mo ago modified 2026-07-22 3 mo ago also EUVD-2026-33384
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 12%
- public exploits
- 0
- none known
Summary
In JetBrains TeamCity before 2026.1 insufficient username validation in the SAML plugin
Patch / fix
- JetBrains TeamCity 2026.1
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 5 mo ago
Exploit prediction
0.22% chance of exploitation in the next 30 days, higher than 12% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
Affected products
- JetBrains TeamCity
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
jetbrains.com
/privacy-security/issues-fixed/
vendor-advisory
Sources
- CVE List CVE-2026-49376
- NVD CVE-2026-49376
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.