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Findings

CVE-2023-22527

Atlassian Confluence Data Center and Server Template Injection Vulnerability

Published Jan 15, 2024 · updated Jun 16, 2026 · atlassian confluence data center

A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action. Most recent supported versions of Confluence Data Center and Server are not affected by this vulnerability as it was ultimately mitigated during regular version updates. However, Atlassian recommends that customers take care to install the latest version to protect their instances from non-critical vulnerabilities outlined in Atlassian’s January Security Bulletin.

Timeline

Detection, updates, and resolution for this record.

  1. Jan 15, 2024 · Catalog

    Detected

    A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action. Most recent supported versions of Confluence Data Center and Server are not affected by this vulnerability as it was ultimately mitigated during regular version updates. H

  2. Jan 24, 2024 · CISA KEV

    Known exploited

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  3. Feb 14, 2024 · CISA KEV

    Remediation due

    Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  4. Jun 16, 2026 · Catalog

    Updated

    A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action. Most recent supported versions of Confluence Data Center and Server are not affected by this vulnerability as it was ultimately mitigated during regular version updates. H

Required action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA due date Feb 14, 2024

Affected

  • cpe atlassian/confluence data centerversion unspecified
  • cpe atlassian/confluence data center8.7.0
  • cpe atlassian/confluence serverversion unspecified
  • vendor Atlassian Confluence Data Center and Serverversion unspecified

Sources

  • CISA KEVCVE-2023-22527

    Atlassian Confluence Data Center and Server contain an unauthenticated OGNL template injection vulnerability that can lead to remote code execution.

    cisa.gov
  • CVE.orgCVE-2023-22527

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2023-22527

    30-day exploitation probability 100.0%

    first.org
  • Metasploit Modulesexploit_multi/http/atlassian_confluence_rce_cve_2023_22527

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDCVE-2023-22527

    A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action. Most recent supported versions of Confluence Data

    nvd.nist.gov
  • Packet Storm Securityhttp://packetstormsecurity.com/files/176789/Atlassian-Confluence-SSTI-Injection.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References

CVE-2023-22527 · ZeroDay Findings