CVE-2021-26085—Atlassian Confluence Server Pre-Authorization Arbitrary File Read Vulnerability

PUBLISHEDvulnerability record
2022-03-28 · last modified June 21, 2025

Metadata

CVE ID:
CVE-2021-26085
Project:
Atlassian
Product:
Confluence Server
Date Added:
2022-03-28
Due Date:
2022-04-18
Last Updated:
June 21, 2025

Vulnerability Name

Atlassian Confluence Server Pre-Authorization Arbitrary File Read Vulnerability

Description

Affected versions of Atlassian Confluence Server allow remote attackers to view restricted resources via a pre-authorization arbitrary file read vulnerability in the /s/ endpoint.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
KNOWN

Action

Apply updates per vendor instructions.

Additional Notes

  • https://nvd.nist.gov/vuln/detail/CVE-2021-26085

Related Weaknesses

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