CVE-2025-41395— Webapp DoS via malicious retrospective post in Playbooks
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I. Basic Information for CVE-2025-41395
Vulnerability Information
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Vulnerability Title
Webapp DoS via malicious retrospective post in Playbooks
Source: NVD (National Vulnerability Database)
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 the props used by the RetrospectivePost custom post type in the Playbooks plugin, which allows an attacker to create a specially crafted post with maliciously crafted props and cause a denial of service (DoS) of the web app for all users.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1287
Source: NVD (National Vulnerability Database)
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props验证不足，可能导致拒绝服务攻击。
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-2025-41395
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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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-2025-41423 | 3.1 LOW | Unauthorized Playbooks Post Deletion in Mattermost Playbooks Plugin |
IV. Related Vulnerabilities
Same product: Mattermost
- CVE-2026-3590
Race Condition in Guest Magic Link Authentication Allows Tok - CVE-2026-28741
CSRF Protection Bypass Allows Updating a User's Authenticati - CVE-2026-27769
Connected Workspaces: Malicious remote server can manipulate - CVE-2026-24661
Unbounded Request Body Read in MS Teams Plugin {{/changes}} - CVE-2026-21388
Unbounded Request Body Read in MS Teams Plugin {{/lifecycle}
Same vendor: Mattermost
- CVE-2026-3590
Race Condition in Guest Magic Link Authentication Allows Tok - CVE-2026-28741
CSRF Protection Bypass Allows Updating a User's Authenticati - CVE-2026-27769
Connected Workspaces: Malicious remote server can manipulate - CVE-2026-24661
Unbounded Request Body Read in MS Teams Plugin {{/changes}} - CVE-2026-21388
Unbounded Request Body Read in MS Teams Plugin {{/lifecycle}
Same weakness: CWE-1287
- CVE-2026-33806
fastify vulnerable to Body Schema Validation Bypass via Lead - CVE-2019-25596
SpotAuditor 5.2.6 Name Field Denial of Service - CVE-2026-2092
Keycloak-services: keycloak: unauthorized access via imprope - CVE-2026-2454
DoS in Calls plugin via malformed msgpack in websocket reque - CVE-2026-25783
Denial of service via malformed User-Agent header in getBrow
V. Comments for CVE-2025-41395
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