What’s Vulnerable › Vulnerabilities

CVE-2026-59795

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-07-10 · updated 2026-10-24
• Weakness: CWE-79

Description

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

Affected products

• JetBrains TeamCity: before 2026.1.2 — fixed in 2026.1.2

How to fix

Upgrade to a fixed version: JetBrains TeamCity 2026.1.2. Check the vendor advisory for mitigations.

References

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

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