CR
Product
Crowd
by Atlassian · last CVE Oct 5, 2026
On CISA KEVExploited in the wildRansomware-linked
25
CVEs
2
On KEV
9.8
Max CVSS
1
New 30D
Severity mix
Critical 5High 10Medium 8Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-21589
In wildKEV
7.5
99%
Oct 5
Atlassian Multiple Products Files or Directories Accessible to External Parties Vulnerability
Affected: 2.11.0 before 6.3.7; 7.0.0 before 7.0.3; 7.1.0 before 7.1.7; 7.2.0 before 7.2.4
CVE-2023-22521
8.8
1%
Nov 21
This High severity RCE (Remote Code Execution) vulnerability was introduced in version 3.4.6 of Crowd Data Center and Server
Affected: 3.4.0 before 5.1.6; 5.2.0
CVE-2022-26137
8.8
2%
Jul 20
A vulnerability in multiple Atlassian products allows a remote, unauthenticated attacker to cause additional Servlet Filters to be invoked when the application processes requests…
Affected: before 4.3.8; 4.4.0 before 4.4.2; 5.0.0
CVE-2017-18105
8.1
1%
Mar 29
The console login resource in Atlassian Crowd before version 3.0.2 and from version 3.1.0 before version 3.1.1 allows remote attackers, who have previously obtained a user's…
Affected: before 3.0.2; 3.1.0 before 3.1.1
CVE-2018-20238
8.1
2%
Feb 13
Various rest resources in Atlassian Crowd before version 3.2.7 and from version 3.3.0 before version 3.3.4 allow remote attackers to authenticate using an expired user session via…
Affected: before 3.2.7; 3.3.0 before unspecified; before 3.3.4
CVE-2026-21569
7.9
0%
Jan 28
This High severity XXE (XML External Entity Injection) vulnerability was introduced in version 7.1.0 of Crowd Data Center and Server
Affected: 7.1.0 before 7.1.3
CVE-2019-20902
7.5
1%
Oct 1
Upgrading Crowd via XML Data Transfer can reactivate a disabled user from OpenLDAP
Affected: before 3.4.6; 3.5.0 before 3.5.1
CVE-2019-20104
7.5
2%
Feb 6
The OpenID client application in Atlassian Crowd before version 3.6.2, and from version 3.7.0 before 3.7.1 allows remote attackers to perform a Denial of Service attack via an XML…
Affected: before 3.2.11; 3.3.0 before 3.3.8; 3.4.0 before 3.4.7; 3.5.0 before 3.5.2; 3.6.0 before 3.6.2; 3.6.3 before 3.7.1; +1 more
CVE-2017-18106
7.5
1%
Mar 29
The identifier_hash for a session token in Atlassian Crowd before version 2.9.1 could potentially collide with an identifier_hash for another user or a user in a different…
Affected: before 2.9.1
CVE-2017-18108
7.2
2%
Mar 29
The administration SMTP configuration resource in Atlassian Crowd before version 2.10.2 allows remote attackers with administration rights to execute arbitrary code via a JNDI…
Affected: before 2.10.2
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