CVE-2021-26309 Information disclosure in n/a

What is CVE-2021-26309?

CVE-2021-26309 is a low-severity vulnerability in Jetbrains Teamcity, published on 11 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Information disclosure in the TeamCity plugin for IntelliJ before 2020.2.2.85899 was possible because a local temporary file had Insecure Permissions.

Weakness: CWE-668

Which versions are affected by CVE-2021-26309?

It affects 1 product.

Products include Jetbrains Teamcity.

How do I fix CVE-2021-26309?

No fix has been published for CVE-2021-26309 yet. Limit exposure of the affected software until one is available.

Is CVE-2021-26309 being exploited?

There is no known exploitation of CVE-2021-26309 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-wpc8-gx68-f9r6.