CVE-2021-26309

LOW 3.3CVE-2021-26309 · Published 11/05/2021 · updated 17/06/2026

In short

CVE-2021-26309 is a LOW (CVSS 3.3) vulnerability affecting teamcity (jetbrains).
Chance of exploitation in the next 30 days (EPSS): 0.24%, higher than 14.6% of all vulnerabilities.
Fix: update to 2020.2.2.85899 or later.

Package	Affected versions	Patched versions
teamcity jetbrains	`< 2020.2.2.85899`	`2020.2.2.85899`

Description

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

References

blog.jetbrains.com · Vendor Advisory
blog.jetbrains.com/blog/2021/05/07/jetbrains-security-bulletin-q1-2021 · Vendor Advisory

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Package

Affected versions

Patched versions

teamcity

jetbrains

< 2020.2.2.85899

2020.2.2.85899

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