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CVE-2026-77371— Redash: DuckDB query runner allows arbitrary file read/write via unrestricted external access

Quick assessment

Affected
getredash redash
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.

Redash 是一款用于数据可视化和共享的开源工具。在版本 26.0.0 至 26.9.0 之间，Redash 的 DuckDB 查询执行器（位于 redash/query_runner/duckdb.py 中的 _connect() 方法）在建立数据库连接时，将 enable_external_access 参数保留在其默认值 true。这使得拥有查询权限的用户，如果访问由管理员创建的 DuckDB 数据源，便可以利用 DuckDB 的原生文件读取函数，读取 Redash 进程有权访问的文件；或者通过 COPY

CVSS 9.3 · Critical

Affected Version Matrix 1

VendorProduct Version RangeStatus
getredash redash >= 26.0.0, < 26.9.0 affected
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I. Basic Information for CVE-2026-77371

Vulnerability Information
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Vulnerability Title
Redash: DuckDB query runner allows arbitrary file read/write via unrestricted external access
Source: CVE Program / CVE List V5
Vulnerability Description
Redash is a package for data visualization and sharing. From 26.0.0 until 26.9.0, the DuckDB query runner's _connect() path in redash/query_runner/duckdb.py created connections with enable_external_access left at its default value of true. A user with query access to an administrator-created DuckDB data source could use native file-reading functions to retrieve files readable by the Redash process or use COPY TO to write files with that process's privileges. Reading application secrets such as REDASH_COOKIE_SECRET or REDASH_SECRET_KEY could also enable forged sessions and authentication bypass. This issue is fixed in version 26.9.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
getredash redash >= 26.0.0, < 26.9.0 -

II. Public POCs for CVE-2026-77371

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III. Intelligence Information for CVE-2026-77371

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Patches & Fixes for CVE-2026-77371 (1)

Other References for CVE-2026-77371 (2)

Same Patch Batch · getredash · 2026-10-14 · 3 CVEs total

CVE-2026-42093 8.7 HIGH Redash: SQL Injection via Query Results parameterized query substitution
CVE-2026-76083 4.9 MEDIUM Redash: JSON data source query URL can bypass base URL restriction

IV. Related Vulnerabilities

Same product: redash
Same vendor: getredash
Same weakness: CWE-284

V. Comments for CVE-2026-77371

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