Incorrect Authorization Affecting atlassian-connect-express package, versions >=3.0.2 <6.6.0
Threat Intelligence
Exploit maturity not defined.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published13 Feb 2025
- disclosed24 May 2022
- creditUnknown
Introduced: 24 May 2022
CVE-2021-26073 (opens in a new tab)How to fix?
Upgrade atlassian-connect-express to version 6.6.0 or higher.
Overview
atlassian-connect-express is a Library for building Atlassian Add-ons on top of Express
Affected versions of this package are vulnerable to Incorrect Authorization due to improper validation of JWT types used during the authentication process. An attacker can bypass authentication restrictions by sending authenticated re-installation events using context JWTs instead of the required server-to-server JWTs.