CVE-2021-26084 Scanner
CVE-2021-26084 scanner - Remote Code Execution (RCE) vulnerability in Atlassian Confluence Server and Data Center
Used 2.2k times · 3.4k assets checked · domain, ipv4, subdomain
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CISA Known Exploited Vulnerability
This CVE is actively exploited in the wild. CISA mandates federal agencies to patch immediately.
CVE
CVE-2021-26084
9.8
CVSScritical
Exploitable remotely over the internet · no authentication required.
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.
Attack Vector
Network
Privileges Req.
None
User Interaction
None
confluence serverconfluence data center
Updated Oct 24, 2026View on NVD →
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CVE history: confluence server
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