CVE-2021-26084 - CVE House
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Status published Unknown CVE-2021-26084

In affected versions of Confluence Server and Data Center, an...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

Confluence Server, Confluence Data Center
Vulnerable Versions:
unspecified, 6.14.0, 7.5.0, 7.12.0

Timeline

Official Publish: August 30th, 2021
Last Modified: December 16th, 2025
Added to House: July 21st, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.