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CVE-2026-75846— ArcadeDB before 26.8.1 Unauthorized Function Deletion via DELETE FUNCTION

Quick assessment

Affected
ArcadeData arcadedb
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Arcade Data ArcadeDB是Arcade Data组织的一款高性能原生多模型数据库。 ArcadeData ArcadeDB 26.7.3及之前版本存在授权问题漏洞，该漏洞源于DeleteFunctionStatement.executeSimple方法在删除服务器端函数时未进行权限检查，任何具有数据库访问权限的用户均可通过命令API执行DELETE FUNCTION，永久删除已注册的服务器端函数（包括安全相关逻辑），影响数据完整性和可用性。

CVSS 7.1 · High EPSS 0.25% · P17

Possible ATT&CK Techniques 1 AI

T1565.003 · Runtime Data Manipulation

Affected Version Matrix 2

VendorProduct Version RangeStatus
ArcadeData arcadedb < 26.8.1 affected
26.8.1 unaffected
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I. Basic Information for CVE-2026-75846

Vulnerability Information
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Vulnerability Title
ArcadeDB before 26.8.1 Unauthorized Function Deletion via DELETE FUNCTION
Source: CVE Program / CVE List V5
Vulnerability Description
ArcadeDB before 26.8.1 (affected versions <= 26.7.3) contains a missing authorization vulnerability in the DELETE FUNCTION SQL statement. DeleteFunctionStatement.executeSimple unregisters and persists deletion of a server-side function without any checkPermissionsOnDatabase (UPDATE_SCHEMA) check. Any user with database access can execute DELETE FUNCTION via the command API (POST /api/v1/command/{db}) to permanently remove any registered server-side function, including security-relevant logic, impacting integrity and availability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
ArcadeData ArcadeDB 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Arcade Data ArcadeDB是Arcade Data组织的一款高性能原生多模型数据库。 ArcadeData ArcadeDB 26.7.3及之前版本存在授权问题漏洞，该漏洞源于DeleteFunctionStatement.executeSimple方法在删除服务器端函数时未进行权限检查，任何具有数据库访问权限的用户均可通过命令API执行DELETE FUNCTION，永久删除已注册的服务器端函数（包括安全相关逻辑），影响数据完整性和可用性。
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
ArcadeData arcadedb 0 ~ 26.8.1 -

II. Public POCs for CVE-2026-75846

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 6858 chars
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In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-75846

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Vendor Advisories for CVE-2026-75846 (2)

Same Patch Batch · ArcadeData · 2026-08-18 · 14 CVEs total

CVE-2026-75843 9.9 CRITICAL ArcadeDB before 26.8.1 Privilege Escalation via gRPC Transaction
CVE-2026-75851 9.9 CRITICAL ArcadeDB before 26.8.1 Authentication Bypass via Async Command
CVE-2026-75854 9.8 CRITICAL ArcadeDB Redis Wire-Protocol Plugin Missing Authentication
CVE-2026-75852 9.8 CRITICAL ArcadeDB MongoDB wire protocol authentication bypass cross-database
CVE-2026-75853 8.8 HIGH ArcadeDB Gremlin Wire Protocol Authorization Bypass Cross-Database
CVE-2026-75855 8.7 HIGH ArcadeDB before 26.8.1 Path Traversal via create/drop database
CVE-2026-75842 7.7 HIGH ArcadeDB before 26.8.1 Arbitrary File Read via LOAD CSV
CVE-2026-75840 7.5 HIGH ArcadeDB before 26.8.1 Arbitrary File Read via Unescaped Regex
CVE-2026-75844 7.1 HIGH ArcadeDB before 26.8.1 SSRF via IMPORT DATABASE validator bypass
CVE-2026-75845 6.3 MEDIUM ArcadeDB 26.4.2 before 26.8.1 Authorization Bypass via set_server_setting
CVE-2026-75841 4.3 MEDIUM ArcadeDB before 26.8.1 Denial of Service via range()
CVE-2026-75839 4.3 MEDIUM ArcadeDB before 26.8.1 Information Disclosure via Cluster Endpoints
CVE-2026-75850 4.2 MEDIUM ArcadeDB before 26.8.1 Per-Type ACL Bypass via Batch Handlers

IV. Related Vulnerabilities

Same product: arcadedb
Same vendor: ArcadeData
Same weakness: CWE-862

V. Comments for CVE-2026-75846

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