Skip to main content

CVE detail

CVE-2026-21579

This High severity Information Disclosure vulnerability was introduced in versions 7.17.0, 7.19.0, 8.5.0, 8.9.0, 9.0.1, 9.1.0, 9.2.0, 10.0.2, 10.1.0, and 10.2.0 of Confluence Data Center. This Information Disclosure vulnerability, with a CVSS Score of 8.2, allows an unauthenticated attacker to view sensitive information via an Information Disclosure vulnerability. Atlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions: Confluence Data Center 9.2: Upgrade to a release greater than or equal to 9.2.22 Confluence Data Center 10.2: Upgrade to a release greater than or equal to 10.2.14 See the release notes ([https://confluence.atlassian.com/doc/confluence-release-notes-327.html]). You can download the latest version of Confluence Data Center from the download center ([https://www.atlassian.com/software/confluence/download-archives]). This vulnerability was reported via our Atlassian (Internal) program.

CVSS 8.2 · HighBuzz score 17.5

Buzz score

Why this CVE is surfacing

Buzz score total 17.5

This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.

Buzz score components · mention 11.0 · diversity 6.5 · KEV 0.0 · OTX 0.0 · PoC 0.0
Mention score
11.0
2 evidence mentions in the snapshot
Diversity score
6.5
2 sources across 1 categories
KEV score
0.0
No KEV entry observed
OTX score
0.0
0 OTX pulses
PoC score
0.0
0 repos · best confidence N/A
Best PoC traction
0
Maximum stars on a matched PoC repo

Why it matters now

Mention timeline

Total mentions
2
within the 30d window
Peak daily
2
highest bucket

Evidence

Source links by recency

Newest mentions first
2 source links · newest first

Exploit code

Public exploit repository references

Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.

0 repository references · best confidence N/A · max 0 stars
No public PoC repositories have been matched yet.

Related records

Similar CVEs

6 related CVEs with shared weakness or product evidence
  • CVE-2026-65758

    The front-end Submissions view did not enforce access control. An unauthenticated visitor could therefore list a form's submissions.

    CVSS N/A · Unrated
  • CVE-2026-65430

    MaxMind credentials where leaked in request URLs, causing a credential leakage vulnerability.

    CVSS N/A · Unrated
    1 mention
  • CVE-2026-64874

    CDN credentials were exposed in administrator request URLs.

    CVSS N/A · Unrated
    1 mention
  • CVE-2026-44276

    Dell PowerProtect Data Manager, versions prior to 20.2.0.0, contain(s) an Exposure of Sensitive Information to an Unauthorized Actor vulnerability in the REST API. A high privileg…

    CVSS 6.0 · Medium
    1 mention
  • CVE-2026-61392

    There is a information disclosure vulnerability in some Hikvision cameras, allowing unauthenticated attackers to obtain partial information from the device’s memory.

    CVSS 5.3 · Medium
    1 mention
  • CVE-2026-62567

    Vulnerability in the Oracle HRMS (UK) product of Oracle E-Business Suite (component: UK Payroll). Supported versions that are affected are 12.2.3-12.2.15. Easily exploitable vuln…

    CVSS 7.7 · High