MEDIUMCVSS v3.1 4.9Vulnerability

CVE-2026-19601

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

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-20T21:14:08.448323+00:00
Epss score
0.00234
Cvss score
4.9
Cvss severity
MEDIUM
Retrieved at
2026-10-21T01:24:49+00:00
Last source
FIRST EPSS
Score
4.9
Cvss version
3.1
Cve id
CVE-2026-19601
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
First seen by Signal
2026-10-18T13:39:03+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Published at
2026-10-16T07:17:12.640
Last modified
2026-10-16T19:23:18.623
Epss percentile
0.13445

Related Entities (1)

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2026-19601 (CVSS v3.1 4.9) — Ninja Signal Threat Intelligence | Ninja Signal