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Atlassian Crowd and Crowd Data Center Remote Code Execution Vulnerability

CISA lists this Atlassian Crowd and Crowd Data Center vulnerability as known exploited. The vendor's advisory has the fixed versions.

CISA catalog record

Atlassian Crowd and Crowd Data Center contain a remote code execution vulnerability resulting from a pdkinstall development plugin being incorrectly enabled in release builds.

Product
Crowd and Crowd Data Center
Added to KEV
3 Nov 2021
Federal remediation due
3 May 2022
Known ransomware use
Yes

What changed

First observed 14 Oct 2026

No field changes in the recorded history.

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An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 14 Oct 14:57 UTC · 254 of 255 readable · 253 fully read · documentation 0/409 current