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HIGH · 8.1

CVE-2026-59795

In JetBrains TeamCity before 2026.1.2 stored XSS via unauthenticated agent registration was possible

Vulnerability Description

In JetBrains TeamCity before 2026.1.2 stored XSS via unauthenticated agent registration was possible

CVSS Score

8.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
JetbrainsTeamcity< 2026.1.2

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2026-59795?

CVE-2026-59795 is a vulnerability with a CVSS score of 8.1 (HIGH). In JetBrains TeamCity before 2026.1.2 stored XSS via unauthenticated agent registration was possible

How severe is CVE-2026-59795?

CVE-2026-59795 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-59795?

Check the references section above for vendor advisories and patch information. Affected products include: Jetbrains Teamcity.