UpHeron
All vulnerabilities

Servers and applications

CVE-2021-26072

The WidgetConnector plugin in Confluence Server and Confluence Data Center before version 5.8.6 allowed remote attackers to manipulate the content of internal network resources via a blind Server-Side Request Forgery (SSRF) vulnerability.

Severity
Medium 4.3
Published
1 Apr 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
5.8.6
Sources
NVD

Affected software

SoftwareAffected versions
ConfluenceServers and applications · cpe:a:atlassian:confluence_data_center
  • Every version before 5.8.6
ConfluenceServers and applications · cpe:a:atlassian:confluence_server
  • Every version before 5.8.6

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-26072
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-26072