CVE-2022-1385— Invitation Email is resent as a Reminder after invalidating pending email invites
Quick assessment
Affected
Mattermost Mattermost
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost 6.4.x 和更早版本存在安全漏洞，该漏洞源于当从系统控制台执行操作时无法正确地使待处理的电子邮件邀请无效，这允许意外邀请的用户加入工作区并访问来自公共团队和频道的信息。
Possible ATT&CK Techniques 1 AI
T1133 · External Remote Services
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I. Basic Information for CVE-2022-1385
Vulnerability Information
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Vulnerability Title
Invitation Email is resent as a Reminder after invalidating pending email invites
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost 6.4.x and earlier fails to properly invalidate pending email invitations when the action is performed from the system console, which allows accidentally invited users to join the workspace and access information from the public teams and channels.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在生命周期中对资源的控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Mattermost 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost 6.4.x 和更早版本存在安全漏洞，该漏洞源于当从系统控制台执行操作时无法正确地使待处理的电子邮件邀请无效，这允许意外邀请的用户加入工作区并访问来自公共团队和频道的信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mattermost | Mattermost | unspecified ~ 6.5.0 | - |
|
II. Public POCs for CVE-2022-1385
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2022-1385 (2)
-
https://mattermost.com/security-updates/ x_refsource_MISC
-
https://hackerone.com/reports/1486820 x_refsource_MISC
IV. Related Vulnerabilities
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Same vendor: Mattermost
-
CVE-2026-96260
Mattermost server missing request body size limit on plugin -
CVE-2026-96259
Mattermost server-side request forgery via OAuth endpoints c -
CVE-2026-95666
Unbounded post ID array in the bulk reactions endpoint allow -
CVE-2026-12284
Mattermost Desktop App Missing IPC Sender Validation in Call -
CVE-2026-75588
Mattermost Desktop App plugin popout scheme validation bypas
Same weakness: CWE-664
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V. Comments for CVE-2022-1385
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