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CVE-2022-26138 Atlassian CVE debrief

CVE-2022-26138 is a CISA Known Exploited Vulnerability affecting Atlassian Confluence via the Questions for Confluence app. The issue is described as a hard-coded credentials vulnerability, and CISA directed organizations to apply updates per the vendor’s instructions. Because it is in the KEV catalog, affected environments should treat it as a high-priority remediation item.

Vendor
Atlassian
Product
Confluence
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-07-29
Original CVE updated
2022-07-29
Advisory published
2022-07-29
Advisory updated
2022-07-29

Who should care

Atlassian Confluence administrators, security teams, and IT owners responsible for Confluence deployments that include the Questions for Confluence app should prioritize this issue. Organizations that track CISA KEV items or manage externally reachable collaboration platforms should also review exposure promptly.

Technical summary

The reported flaw is a hard-coded credentials vulnerability in the Atlassian Questions for Confluence app used with Confluence. Hard-coded credentials can undermine normal authentication controls if the affected app is deployed, which is why the issue was added to CISA’s Known Exploited Vulnerabilities catalog. The supplied corpus does not include affected version ranges or exploit details, so remediation should follow the vendor advisory and update guidance.

Defensive priority

High. This vulnerability is listed in CISA’s Known Exploited Vulnerabilities catalog, which indicates it should be prioritized for remediation over non-KEV issues. The KEV due date in the supplied timeline is 2022-08-19.

Recommended defensive actions

  • Apply vendor updates and follow Atlassian’s instructions for the Questions for Confluence security advisory.
  • Inventory Confluence instances to determine whether the Questions for Confluence app is installed.
  • Prioritize remediation ahead of other lower-risk maintenance work because the issue is in CISA KEV.
  • If the app is not required, remove or disable it according to vendor guidance and change-management policy.
  • Verify remediation by confirming the updated app or vendor-recommended mitigation is in place on all affected systems.

Evidence notes

This debrief is based on the supplied CISA KEV source item and official links only. The corpus identifies the vulnerability as "Atlassian Questions For Confluence App Hard-coded Credentials Vulnerability," marks it as a KEV item, and includes the vendor advisory reference https://confluence.atlassian.com/doc/questions-for-confluence-security-advisory-2022-07-20-1142446709.html plus the NVD record. CISA’s metadata states the required action is to apply updates per vendor instructions and records the KEV due date as 2022-08-19.

Official resources

CISA added this vulnerability to the Known Exploited Vulnerabilities catalog on 2022-07-29, with a due date of 2022-08-19. The supplied KEV notes reference Atlassian’s security advisory dated 2022-07-20 and direct organizations to apply the