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CVE-2026-62361— listmonk: SQL Injection in `/api/subscribers/export` bypasses table access control, leaking admin password hashes and SMTP credentials

Quick assessment

Affected
knadh listmonk
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.

knadh listmonk是knadh个人开发者开源的一款高性能、自托管的邮件列表和新闻通讯管理工具，采用 Go + Vue 技术栈，打包为单一二进制文件，使用 PostgreSQL 存储数据，遵循 AGPLv3 开源协议。 knadh listmonk 6.2.0之前版本存在SQL注入漏洞，该漏洞源于GET /api/subscribers/export端点将用户控制的查询参数直接注入QuerySubscribersForExport而未调用validateQueryTables，可能导致通过身份验证

CVSS 5.5 · Medium EPSS 0.42% · P34

Affected Version Matrix 1

VendorProduct Version RangeStatus
knadh listmonk < 6.2.0 affected
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I. Basic Information for CVE-2026-62361

Vulnerability Information
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Vulnerability Title
listmonk: SQL Injection in `/api/subscribers/export` bypasses table access control, leaking admin password hashes and SMTP credentials
Source: CVE Program / CVE List V5
Vulnerability Description
listmonk is a standalone, self-hosted, newsletter and mailing list manager. Prior to 6.2.0, listmonk’s GET /api/subscribers/export endpoint injects the user-controlled query parameter into QuerySubscribersForExport in internal/core/subscribers.go without calling validateQueryTables, unlike GET /api/subscribers, allowing an authenticated user with subscribers:sql_query and subscribers:get_all to read arbitrary database tables such as users and settings and execute data-modifying PostgreSQL CTEs. This issue is fixed in version 6.2.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
knadh listmonk SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
knadh listmonk是knadh个人开发者开源的一款高性能、自托管的邮件列表和新闻通讯管理工具，采用 Go + Vue 技术栈，打包为单一二进制文件，使用 PostgreSQL 存储数据，遵循 AGPLv3 开源协议。 knadh listmonk 6.2.0之前版本存在SQL注入漏洞，该漏洞源于GET /api/subscribers/export端点将用户控制的查询参数直接注入QuerySubscribersForExport而未调用validateQueryTables，可能导致通过身份验证
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
knadh listmonk < 6.2.0 -

II. Public POCs for CVE-2026-62361

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III. Intelligence Information for CVE-2026-62361

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Patches & Fixes for CVE-2026-62361 (1)

Vendor Advisories for CVE-2026-62361 (1)

Vendor Pages for CVE-2026-62361 (1)

IV. Related Vulnerabilities

Same product: listmonk
Same vendor: knadh
Same weakness: CWE-89

V. Comments for CVE-2026-62361

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