All vulnerabilities

Servers and applications

CVE-2022-26134

In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are from 1.3.0 before 7.4.17, from 7.13.0 before 7.13.7, from 7.14.0 before 7.14.3, from 7.15.0 before 7.15.2, from 7.16.0 before 7.16.4, from 7.17.0 before…

Actively exploited: CISA added it to its Known Exploited Vulnerabilities catalog on 2 Jun 2022.

Severity
Critical 9.8
Published
3 Jun 2022
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
7.4.17, 7.13.7, 7.14.3, 7.15.2, 7.16.4, 7.17.4
Sources
NVD

Affected software

SoftwareAffected versions
ConfluenceServers and applications · cpe:a:atlassian:confluence_data_center
  • Version 7.18.0
  • From 7.17.0 before 7.17.4
  • From 7.16.0 before 7.16.4
  • From 7.15.0 before 7.15.2
All 7 release lines
  • From 1.3 before 7.4.17
  • From 7.13.0 before 7.13.7
  • From 7.14.0 before 7.14.3
  • From 7.15.0 before 7.15.2
  • From 7.16.0 before 7.16.4
  • From 7.17.0 before 7.17.4
  • Version 7.18.0
ConfluenceServers and applications · cpe:a:atlassian:confluence_server
  • Version 7.18.0
  • From 7.17.0 before 7.17.4
  • From 7.16.0 before 7.16.4
  • From 7.15.0 before 7.15.2
All 7 release lines
  • From 1.3 before 7.4.17
  • From 7.13.0 before 7.13.7
  • From 7.14.0 before 7.14.3
  • From 7.15.0 before 7.15.2
  • From 7.16.0 before 7.16.4
  • From 7.17.0 before 7.17.4
  • Version 7.18.0

Known exploited

CISA name
Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability
Required action
Immediately block all internet traffic to and from affected products AND apply the update per vendor instructions [https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html] OR remove the affected products by the due date on the right. Note: Once the update is…
Due for US agencies
6 Jun 2022
Used in ransomware
Yes, known

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2022-26134
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2022-26134