CVE-2026-49377
MEDIUMCVSS 4.3/10EPSS 0.67%
Last modified
CVE-2026-49377 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. In JetBrains TeamCity before 2025.11.2 exposure of sensitive data via default agent parameters. EPSS estimates a 0.67% chance of exploitation in the next 30 days.
Description
In JetBrains TeamCity before 2025.11.2 exposure of sensitive data via default agent parameters
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jetbrains | Teamcity | < 2025.11.2 |
References
- https://www.jetbrains.com/privacy-security/issues-fixed/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-49377?
In JetBrains TeamCity before 2025.11.2 exposure of sensitive data via default agent parameters
How severe is CVE-2026-49377?
CVE-2026-49377 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.
How do I fix CVE-2026-49377?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-49371In JetBrains TeamCity before 2026.1.1 reflected XSS in the k…8.2
- CVE-2026-49372In JetBrains TeamCity before 2026.1, 2025.11.5 unauthenticat…7.5
- CVE-2026-49373In JetBrains TeamCity before 2026.1 remote code execution wa…8.8
- CVE-2026-49374In JetBrains TeamCity before 2026.1 improper permission chec…7.6
- CVE-2026-49375In JetBrains TeamCity before 2026.1, 2025.11.5 reflected XS…6.1
- CVE-2026-49376In JetBrains TeamCity before 2026.1 insufficient username va…6.5
- CVE-2026-49378In JetBrains TeamCity before 2026.1 credentials parameters w…4.3
- CVE-2026-49379In JetBrains TeamCity before 2026.1 credentials could be exp…6.5
- CVE-2026-4938IBM Verify Identity Access 11.0 through 11.0.2 and IBM Secur…6.5
- CVE-2026-49380In JetBrains TeamCity before 2026.1 open redirect in the SAM…6.1
- CVE-2026-49381In JetBrains TeamCity before 2026.1 stored XSS on the SAML l…4.8
- CVE-2026-49382In JetBrains IntelliJ IDEA before 2026.1 code execution was …7.8
Are you affected by CVE-2026-49377?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST