CVE-2021-26072

MEDIUM
4.3
CVSS Score
Published: April 1, 2021 at 06:10 PM UTC
Updated: June 17, 2026 at 03:42 AM UTC
2 products affected across 1 vendorConfluence ServerConfluence Data Center

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Severity
MEDIUM4.3
Exploit prediction
EPSS 41%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 5.8.6
Affected range stops below 5.8.6, so it looks safe — our inference, not a vendor statement
v < 5.8.6
Affected range stops below 5.8.6, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

x_refsource_MISCIssue TrackingPatchVendor Advisory
https://jira.atlassian.com/browse/CONFSERVER-61399

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-918

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