CVE-2025-24839— Unauthorized AI bot activation via Wrangler 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 10.5.1及之前版本、10.4.3及之前版本和9.11.9及之前版本存在安全漏洞，该漏洞源于Wrangler插件可绕过AI访问控制。
Possible ATT&CK Techniques 2 AI
T1528 · Steal Application Access Token T1068 · Exploitation for Privilege Escalation
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2025-24839
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Unauthorized AI bot activation via Wrangler plugin
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to prevent Wrangler posts from triggering AI responses. This vulnerability allows users without access to the AI bot to activate it by attaching the activate_ai override property to a post via the Wrangler plugin, provided both the AI and Wrangler plugins are enabled.
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 10.5.1及之前版本、10.4.3及之前版本和9.11.9及之前版本存在安全漏洞，该漏洞源于Wrangler插件可绕过AI访问控制。
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 | 10.5.0 ~ 10.5.1 | - |
|
II. Public POCs for CVE-2025-24839
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2025-24839
请登录查看更多情报信息。
Same Patch Batch · Mattermost · 2025-04-16 · 6 CVEs total
| CVE-2025-27936 | 5.3 MEDIUM | Webhook Secret Exposure via Timing attack in MSteams plugin |
| CVE-2025-27571 | 4.3 MEDIUM | Channel metadata visible in archived channels despite configuration setting |
| CVE-2025-2564 | 4.3 MEDIUM | Unauthorized View Access to Archived Channel Member Info |
| CVE-2025-31363 | 3.0 LOW | Data exfiltration via AI plugin Jira tool |
| CVE-2025-27538 | 2.2 LOW | MFA Enforcement Bypass Allows Unauthorized Removal of MFA for Other Users |
IV. Related Vulnerabilities
Same product: Mattermost
-
CVE-2026-75587
Plaintext pre-auth secret exposure via Desktop App diagnosti -
CVE-2026-9693
Mattermost thread memberships persist after team removal, ex -
CVE-2026-9859
Mattermost Boards plugin didn’t enforce role-based authoriza -
CVE-2026-9816
Insufficient server-side validation of board member role fie -
CVE-2026-10080
Boards plugin panics on WebSocket command with non-string fi
Same vendor: Mattermost
-
CVE-2026-75587
Plaintext pre-auth secret exposure via Desktop App diagnosti -
CVE-2026-9693
Mattermost thread memberships persist after team removal, ex -
CVE-2026-9859
Mattermost Boards plugin didn’t enforce role-based authoriza -
CVE-2026-9816
Insufficient server-side validation of board member role fie -
CVE-2026-10080
Boards plugin panics on WebSocket command with non-string fi
Same weakness: CWE-863
V. Comments for CVE-2025-24839
No comments yet