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CVE PROGRAM SOURCE RECORD4.9 Medium

CVE-2026-19601

Disclosure of AD/LDAP bind password via Test Connection

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Status
Published
Published
Updated
Assigning organization
Mattermost

Description

Mattermost versions 11.9.x <= 11.9.1, 11.8.x <= 11.8.5, 11.7.x <= 11.7.10, 11.10.x <= 11.10.1 fail to invalidate the stored AD/LDAP bind password when other connection settings (such as the server address) are changed, which allows a System Console administrator to disclose the plaintext bind password to an attacker-controlled server via the Test Connection / diagnostics feature. Mattermost Advisory ID: MMSA-2026-00764

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mattermost Mattermost

Default version status: unaffected

  • 11.9.0 to ≤ 11.9.1affected
  • 11.8.0 to ≤ 11.8.5affected
  • 11.7.0 to ≤ 11.7.10affected
  • 11.10.0 to ≤ 11.10.1affected
  • 11.11.0unaffected
  • 11.9.2unaffected
  • 11.8.6unaffected
  • 11.7.11unaffected
  • 11.10.2unaffected

References