Exploited Vulnerabilities DailyCVE-2026-63077: JetBrains TeamCity
EPSS89.5%No. 475 of 1739 in KEV
CVE year2026listed the same year
Same vendor in KEV4
Same product4
| Field | Value |
|---|---|
| Vendor | JetBrains |
| Product | TeamCity |
| Name | JetBrains TeamCity Deserialization of Untrusted Data Vulnerability |
| Added to KEV | 2026-08-05 |
| US federal due date | 2026-08-08 |
| Ransomware use | Known |
| CWE | CWE-502 |
CISA description
JetBrains TeamCity contains a deserialization of untrusted data vulnerability that could allow unauthenticated remote code execution via the agent polling protocol.
Other entries for this product
| CVE | Vendor / product | Added | EPSS | Ransomware |
|---|---|---|---|---|
| CVE-2024-27199 | JetBrains TeamCity | 2026-04-20 | 99.9% | Known |
| CVE-2024-27198 | JetBrains TeamCity | 2024-03-07 | 99.9% | Known |
| CVE-2023-42793 | JetBrains TeamCity | 2023-10-04 | 99.9% | Known |
Data from CISA's Known Exploited Vulnerabilities (KEV) catalog. EPSS is FIRST's estimated probability of exploitation activity in the next 30 days, refreshed weekly. Always follow the vendor's official guidance.
About this page
A JetBrains TeamCity vulnerability added to CISA's Known Exploited Vulnerabilities catalog on 2026-08-05.