| Package | Affected versions | Patched versions |
|---|---|---|
| com.atlassian.connect:atlassian-connect-spring-boot-starter | ≥ 1.1.0, < 2.1.3 | 2.1.3 |
| connect spring boot | ≥ 1.1.0, < 2.1.3 | 2.1.3 |
Broken Authentication in Atlassian Connect Spring Boot (ACSB) from version 1.1.0 before version 2.1.3. Atlassian Connect Spring Boot is a Java Spring Boot package for building Atlassian Connect apps. Authentication between Atlassian products and the Atlassian Connect Spring Boot app occurs with a server-to-server JWT or a context JWT. Atlassian Connect Spring Boot versions between 1.1.0 - 2.1.2 erroneously accept context JWTs in lifecycle endpoints (such as installation) where only server-to-server JWTs should be accepted, permitting an attacker to send authenticated re-installation events to an app.
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