Firetruck

CVE-2021-26084

KEV · Ransomware
Updated Dec 16, 2025 · PUBLISHED
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Description

Atlassian Confluence Server and Data Server contain an Object-Graph Navigation Language (OGNL) injection vulnerability that may allow an unauthenticated attacker to execute code.

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Affected packages

PackageVendor / ProductVersion rangeStatus
Confluence Data CenterAtlassian / Confluence Data Center>= 6.14.0, < unspecifiedaffected
Confluence Data CenterAtlassian / Confluence Data Center>= 7.12.0, < unspecifiedaffected
Confluence Data CenterAtlassian / Confluence Data Center>= 7.5.0, < unspecifiedaffected
Confluence Data CenterAtlassian / Confluence Data Center>= unspecified, < 7.12.5affected
Confluence Data CenterAtlassian / Confluence Data Center>= unspecified, < 6.13.23affected
Confluence Data CenterAtlassian / Confluence Data Center>= unspecified, < 7.4.11affected
Confluence Data CenterAtlassian / Confluence Data Center>= unspecified, < 7.11.6affected
Confluence ServerAtlassian / Confluence Server>= 6.14.0, < unspecifiedaffected
Confluence ServerAtlassian / Confluence Server>= 7.12.0, < unspecifiedaffected
Confluence ServerAtlassian / Confluence Server>= 7.5.0, < unspecifiedaffected
Confluence ServerAtlassian / Confluence Server>= unspecified, < 7.12.5affected
Confluence ServerAtlassian / Confluence Server>= unspecified, < 7.4.11affected
Confluence ServerAtlassian / Confluence Server>= unspecified, < 6.13.23affected
Confluence ServerAtlassian / Confluence Server>= unspecified, < 7.11.6affected