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CVE-2025-71377— stoatchat before 20250210-1 Unrestricted Message History Fetch

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 20250210-1 (0.8.2)之前版本存在处理逻辑错误漏洞，该漏洞源于查询消息路由的逻辑错误，当获取一条消息“附近”的消息时，可以向数据库查询传递消息限制为零，导致远程未经验证的攻击者可以构造附近消息请求，在单个请求中下载整个频道的消息历史记录，并可以并行发送多个此类请求，从而通过资源耗尽造成拒绝服务。

AI Predicted 7.5 Difficulty: Easy EPSS 0.67% · P50

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 2

VendorProduct Version RangeStatus
stoatchat stoatchat < 0.8.2 affected
0.8.2 unaffected
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I. Basic Information for CVE-2025-71377

Vulnerability Information
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Vulnerability Title
stoatchat before 20250210-1 Unrestricted Message History Fetch
Source: CVE Program / CVE List V5
Vulnerability Description
stoatchat (delta) versions before 20250210-1 (0.8.2) contain a logic error in the query messages route. When fetching messages 'nearby' another message, the database query can be given a message limit of zero, which the database interprets as 'no limit'. A remote unauthenticated attacker can craft nearby message fetch requests to download an entire channel's message history in a single expensive request, and can send many such requests in parallel, resulting in denial of service through resource exhaustion.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用错误要素进行比较
Source: CVE Program / CVE List V5
Vulnerability Title
Stoat Backend 处理逻辑错误漏洞
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 20250210-1 (0.8.2)之前版本存在处理逻辑错误漏洞，该漏洞源于查询消息路由的逻辑错误，当获取一条消息“附近”的消息时，可以向数据库查询传递消息限制为零，导致远程未经验证的攻击者可以构造附近消息请求，在单个请求中下载整个频道的消息历史记录，并可以并行发送多个此类请求，从而通过资源耗尽造成拒绝服务。
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 0 ~ 0.8.2 -

II. Public POCs for CVE-2025-71377

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III. Intelligence Information for CVE-2025-71377

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Patches & Fixes for CVE-2025-71377 (1)

Vendor Advisories for CVE-2025-71377 (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-2025-71388 stoatchat 20241213-1 Webhook Token Disclosure via Read Permissions

IV. Related Vulnerabilities

Same product: stoatchat
Same vendor: stoatchat
Same weakness: CWE-1025

V. Comments for CVE-2025-71377

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