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CVE-2026-49376

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

Published: May 29, 2026Updated: May 29, 2026 Sources: CVE List NVD
NVD MITRE
6.5CVSS
MEDIUM

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

EPSS Score
N/A
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None

Weaknesses

CWE-863

Affected Products

TeamCity
JetBrains

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

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

Timeline

Published
May 29, 2026
Last Updated
May 29, 2026

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