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CVE-2025-71388— stoatchat 20241213-1 Webhook Token Disclosure via Read Permissions

Quick assessment

Affected
stoatchat stoatchat
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.

Stoat Stoat Backend是Stoat社区的一个后端服务软件。 Stoat Backend 20241213-1版本至20250210-1之前版本存在授权问题漏洞，该漏洞源于webhook fetch端点检查了ViewChannel权限而非ManageWebhooks权限，允许仅具有ViewChannel（读取）权限的用户获取频道的webhooks及其令牌，攻击者可使用检索到的令牌绕过频道权限并冒充机器人或webhook，向频道发送任意消息。

AI Predicted 8.1 Difficulty: Easy EPSS 0.48% · P39

Affected Version Matrix 2

VendorProduct Version RangeStatus
stoatchat stoatchat 20241213-1< 20250210-1 affected
20250210-1 unaffected
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I. Basic Information for CVE-2025-71388

Vulnerability Information
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Vulnerability Title
stoatchat 20241213-1 Webhook Token Disclosure via Read Permissions
Source: CVE Program / CVE List V5
Vulnerability Description
stoatchat (delta/Revolt) versions from 20241213-1 before 20250210-1 allow users with only ViewChannel (read) permission on a channel to fetch that channel's webhooks, including their tokens, because the webhook fetch endpoint checked for ViewChannel instead of ManageWebhooks. Using a retrieved token, an attacker can send arbitrary messages to the channel, bypassing channel permissions and impersonating a bot or webhook. Fixed in 20250210-1 (0.8.2).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Stoat Backend 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Stoat Stoat Backend是Stoat社区的一个后端服务软件。 Stoat Backend 20241213-1版本至20250210-1之前版本存在授权问题漏洞，该漏洞源于webhook fetch端点检查了ViewChannel权限而非ManageWebhooks权限，允许仅具有ViewChannel（读取）权限的用户获取频道的webhooks及其令牌，攻击者可使用检索到的令牌绕过频道权限并冒充机器人或webhook，向频道发送任意消息。
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
stoatchat stoatchat 20241213-1 ~ 20250210-1 -

II. Public POCs for CVE-2025-71388

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III. Intelligence Information for CVE-2025-71388

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Patches & Fixes for CVE-2025-71388 (1)

Vendor Advisories for CVE-2025-71388 (2)

Same Patch Batch · stoatchat · 2026-07-16 · 5 CVEs total

CVE-2026-63306 8.6 HIGH stoatchat before 0.13.5 Unauthenticated SSRF via proxy and embed endpoints
CVE-2026-63088 8.6 HIGH stoatchat < 0.14.0 SSRF via DNS-based IP Blocklist Bypass
CVE-2024-58360 6.5 MEDIUM stoatchat before 0.7.8 Unrestricted Account Creation
CVE-2025-71377 stoatchat before 20250210-1 Unrestricted Message History Fetch

IV. Related Vulnerabilities

Same product: stoatchat
Same vendor: stoatchat
Same weakness: CWE-639

V. Comments for CVE-2025-71388

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