Vulnerability details
CVE-2026-63077
Actively exploited
JetBrains TeamCity
CVSS 3.1
9.8Critical
Official description
In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.8Critical | 3.1 | CVEProject cvelistV5 (CNA) (JetBrains) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| JetBrains | TeamCity | v < 2026.1.3, 2025.11.7 | CVEProject cvelistV5 (CNA) |
References and advisories
2
Kolun on Telegram @kolunsec
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Details
- Published
- 2026-07-27
- Last updated
- 2026-09-23
- State
- Published
- Assigner (CNA)
- JetBrains
- Kolun priority
- 90 · Critical
CISA KEV catalog
- Date added
- 2026-08-05
- Due date
- 2026-08-08
- Used in ransomware
- Yes
Exploit prediction (EPSS)
94.88%
Probability of exploitation in 30 days
99.8%
Percentile (among all CVEs)
- 2026-11-0494.88%
- 2026-11-0393.55%
SSVC assessment (CISA)
- Automatable
- Yes
- Exploitation
- Active
- Technical impact
- Total
Weaknesses (CWE)
- CWE-502