CVE-2021-26072

4.3 mediumEPSS 41%

Medium (4.3) in atlassian. EPSS 41% chance of exploitation in the next 30 days.

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

CVSS 3.1

4.3 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS: 41% chance of exploitation in the next 30 days; higher than 98% of CVEs (scores of 2026-10-31)
CWE: CWE-918
Published: 2021-04-01
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

atlassian:confluence_data_center
atlassian:confluence_server

References

https://jira.atlassian.com/browse/CONFSERVER-61399
https://jira.atlassian.com/browse/CONFSERVER-61399

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