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CVE-2025-41423— Unauthorized Playbooks Post Deletion in Mattermost Playbooks Plugin

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存在安全漏洞，该漏洞源于权限验证不足，可能导致删除帖子。

CVSS 3.1 · Low EPSS 0.26% · P18
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I. Basic Information for CVE-2025-41423

Vulnerability Information
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Vulnerability Title
Unauthorized Playbooks Post Deletion in Mattermost Playbooks Plugin
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.10 fail to properly validate permissions for the API endpoint /plugins/playbooks/api/v0/signal/keywords/ignore-thread, allowing any user or attacker to delete posts containing actions created by the Playbooks bot, even without channel access or appropriate permissions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
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存在安全漏洞，该漏洞源于权限验证不足，可能导致删除帖子。
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 10.4.0 ~ 10.4.2 -

II. Public POCs for CVE-2025-41423

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III. Intelligence Information for CVE-2025-41423

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Same Patch Batch · Mattermost · 2025-04-24 · 3 CVEs total

CVE-2025-35965 6.5 MEDIUM DoS in Mattermost Playbooks via Excessive Task Actions
CVE-2025-41395 6.5 MEDIUM Webapp DoS via malicious retrospective post in Playbooks

IV. Related Vulnerabilities

Same product: Mattermost
Same vendor: Mattermost
Same weakness: CWE-863

V. Comments for CVE-2025-41423

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