critical
CVE-2026-21589
Confluence pre-authentication arbitrary file read through the plugin-resource download servlet
- Severity
- critical
- Affected product
- Atlassian Confluence
- Affected versions
- Atlassian Confluence < 9.2.26
- Affected versions
- Atlassian Confluence ≥ 10.0.0, < 10.2.19
- Fixed in
- Atlassian Confluence 9.2.26 (9.2 LTS), 10.2.19 (10.2 LTS)
- Fixed in
- Atlassian Confluence 10.2.19
- Detection basis
- Appliance fingerprint
- Shipped rule
- Atlassian Confluence: Confluence pre-authentication arbitrary file read through the plugin-resource download servlet
- Added to NewScan
- 2026-10-07
- Detected by
- NewScan — free, self-hosted
How NewScan reports it
APPLIANCE FINGERPRINT
NewScan fingerprints the Atlassian Confluence appliance and reports this CVE when the detected version falls inside the affected range below.
APPLIANCE FINGERPRINT
NewScan fingerprints the Atlassian Confluence appliance and reports this CVE when the detected version falls inside the affected range below.
References
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