What is the CVSS score of CVE-2022-26138?

CVE-2022-26138 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 98.2%.

Is there a public PoC exploit available for CVE-2022-26138?

Yes, a public proof-of-concept exploit is available for CVE-2022-26138. Prioritise patching immediately. EPSS: 98.2%.

Is there a patch available for CVE-2022-26138?

Yes, a patch is available for CVE-2022-26138. Update the affected software to the latest version immediately.

Questions For Confluence CVE-2022-26138

CRITICAL

Use of Hard-coded Credentials (CWE-798)

2022-07-20 security@atlassian.com

Authentication Bypass Atlassian Questions For Confluence

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Added to CISA KEV

Jul 14, 2026 - 04:22 CISA

CVE Published

Jul 20, 2022 - 18:15 nvd

CRITICAL 9.8

DescriptionNVD

The Atlassian Questions For Confluence app for Confluence Server and Data Center creates a Confluence user account in the confluence-users group with the username disabledsystemuser and a hardcoded password. A remote, unauthenticated attacker with knowledge of the hardcoded password could exploit this to log into Confluence and access all content accessible to users in the confluence-users group. This user account is created when installing versions 2.7.34, 2.7.35, and 3.0.2 of the app.

AnalysisAI

The Atlassian Questions For Confluence app for Confluence Server and Data Center creates a Confluence user account in the confluence-users group with the username disabledsystemuser and a hardcoded. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Use of Hard-coded Credentials vulnerability could allow attackers to gain access using credentials embedded in source code.

Technical ContextAI

This vulnerability is classified as Use of Hard-coded Credentials (CWE-798), which allows attackers to gain access using credentials embedded in source code. The Atlassian Questions For Confluence app for Confluence Server and Data Center creates a Confluence user account in the confluence-users group with the username disabledsystemuser and a hardcoded password. A remote, unauthenticated attacker with knowledge of the hardcoded password could exploit this to log into Confluence and access all content accessible to users in the confluence-users group. This user account is created when installing versions 2.7.34, 2.7.35, and 3.0.2 of the app. Affected products include: Atlassian Questions For Confluence.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Remove hard-coded credentials, use environment variables or secrets management, rotate exposed credentials immediately.