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CVE-2026-19601

Disclosure of AD/LDAP bind password via Test Connection PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
Mattermost / Mattermostaffected 11.9.0 through 11.9.1; affected 11.8.0 through 11.8.5; affected 11.7.0 through 11.7.10; affected 11.10.0 through 11.10.1; unaffected 11.11.0; unaffected 11.9.2; unaffected 11.8.6; unaffected 11.7.11; unaffected 11.10.2

CWE

CWE-201

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.