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Luu, T.J.

🔥 This vulnerability is being actively exploited in the wild (CISA Known Exploited Vulnerabilities catalog)

CVE-2024-27199: JetBrains TeamCity Relative Path Traversal Vulnerability

infovulnerability🔥 Actively Exploited

security

Source: CISA Known Exploited VulnerabilitiesApril 19, 2026CVE-2024-27199

Summary

JetBrains TeamCity has a relative path traversal vulnerability (a flaw where an attacker can access files outside their intended directory by using paths like '../../../') that could let someone perform limited admin actions without proper permission. This vulnerability is actively being exploited by attackers in real-world attacks.

Solution / Mitigation

Apply mitigations per JetBrains vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. See https://www.jetbrains.com/privacy-security/issues-fixed/ for vendor-specific details.

Vulnerability Details

EPSS (30-day exploit probability)

EPSS: 82.5%

Patch Available

Yes

Exploit Maturity

🔥 Actively Exploited

Disclosure Date

April 19, 2026

Classification

Attack SophisticationModerate

Taxonomy References

CWE (Weakness Type)

CWE-23

CAPEC (Attack Pattern)

CAPEC-126

Monthly digest — independent AI security research

Original source: https://nvd.nist.gov/vuln/detail/CVE-2024-27199

First tracked: April 20, 2026 at 08:00 PM

Classified by LLM (prompt v3) · confidence: 95%