Is CVE-2021-26085 actively exploited?

CVE-2021-26085 has no public evidence of in-the-wild exploitation as of 2025-10-24.

What is the CVSS score for CVE-2021-26085?

CVE-2021-26085 has a CVSS score of 5.3 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

How do I patch CVE-2021-26085?

Patch guidance is available from atlassian security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-26085.

CVE-2021-26085 - remediation guidance & executive summary

Q: Which products are affected by CVE-2021-26085?

4 products: atlassian confluence data center, atlassian confluence data center, atlassian confluence server, atlassian confluence server.

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. The affected versions are before version 7.4.10, and from version 7.5.0 before 7.12.3.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: low
Integrity: none
Availability: none
Weaknesses: CWE-425 CWE-425

Metadata

Primary Vendor: ATLASSIAN
Published: 8/3/2021
Last Modified: 10/24/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

atlassian : confluence_data_centeratlassian : confluence_data_centeratlassian : confluence_serveratlassian : confluence_server

Remediation Guidance

Executive Summary

View on NIST NVD