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CVE-2021-26084

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CVE-2021-26084

Published: Aug 30, 2021

Modified: Dec 16, 2025

PUBLISHED

Description

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 before version 6.13.23, from version 6.14.0 before 7.4.11, from version 7.5.0 before 7.11.6, and from version 7.12.0 before 7.12.5.

VendorProductVersions

Atlassian

Confluence Server

affected
unspecified - < 6.13.23
affected
6.14.0 - < unspecified
affected
unspecified - < 7.4.11
affected
7.5.0 - < unspecified
affected
unspecified - < 7.11.6

+2 more versions

Atlassian

Confluence Data Center

affected
unspecified - < 6.13.23
affected
6.14.0 - < unspecified
affected
unspecified - < 7.4.11
affected
7.5.0 - < unspecified
affected
unspecified - < 7.11.6

+2 more versions

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