CVE-2026-49373 Command injection in TeamCity

What is CVE-2026-49373?

CVE-2026-49373 is a high-severity command injection vulnerability in Jetbrains Teamcity, published on 29 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In JetBrains TeamCity before 2026.1 remote code execution was possible via Perforce connection settings

Weakness: CWE-88

Which versions are affected by CVE-2026-49373?

It affects 1 product.

Products include Jetbrains Teamcity.

How do I fix CVE-2026-49373?

No fix has been published for CVE-2026-49373 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-49373 being exploited?

There is no known exploitation of CVE-2026-49373 in the wild and no public exploit code.

Other vulnerabilities in Jetbrains Teamcity

• CVE-2026-63077 JetBrains TeamCity Deserialization of Untrusted Data Exploited Critical 9.8
• CVE-2024-27198 JetBrains TeamCity Authentication Bypass Exploited Critical 9.8
• CVE-2023-42793 JetBrains TeamCity Authentication Bypass Exploited Critical 9.8
• CVE-2024-27199 JetBrains TeamCity Relative Path Traversal Exploited High 7.3
• CVE-2024-23917 Auth bypass in TeamCity Critical 9.8

All Jetbrains Teamcity vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-hqxf-vmvp-qr3c.