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CVE-2026-75859— CodeWhale before 0.8.64 Arbitrary File Read via instructions

Quick assessment

Affected
Hmbown CodeWhale
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.

Hunter Bown CodeWhale是Hunter Bown个人开发者的一个开源编程智能体。 Hunter Bown CodeWhale 0.8.64之前版本存在路径遍历漏洞，该漏洞源于项目配置instructions字段未验证文件路径，可能导致攻击者读取受害者系统上的任意文件。

CVSS 7.5 · High EPSS 0.41% · P34

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 8

VendorProduct Version RangeStatus
Hmbown CodeWhale 0.8.8< 0.8.41 affected
0.8.41 unaffected
0.8.8< 0.8.41 affected
0.8.41 unaffected
0.8.41< 0.8.64 affected
0.8.64 unaffected
0.8.41< 0.8.64 affected
0.8.64 unaffected
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I. Basic Information for CVE-2026-75859

Vulnerability Information
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Vulnerability Title
CodeWhale before 0.8.64 Arbitrary File Read via instructions
Source: CVE Program / CVE List V5
Vulnerability Description
CodeWhale versions before 0.8.64 fail to validate file paths in the project config instructions field, allowing attackers to read arbitrary files on the victim's system. A malicious .codewhale/config.toml file in a cloned repository can specify paths outside the workspace that are read and injected into the AI system prompt for exfiltration.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Hunter Bown CodeWhale 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Hunter Bown CodeWhale是Hunter Bown个人开发者的一个开源编程智能体。 Hunter Bown CodeWhale 0.8.64之前版本存在路径遍历漏洞，该漏洞源于项目配置instructions字段未验证文件路径，可能导致攻击者读取受害者系统上的任意文件。
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
Hmbown CodeWhale 0.8.8 ~ 0.8.41 -
Hmbown CodeWhale 0.8.8 ~ 0.8.41 -
Hmbown CodeWhale 0.8.41 ~ 0.8.64 -
Hmbown CodeWhale 0.8.41 ~ 0.8.64 -

II. Public POCs for CVE-2026-75859

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7107 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-75859

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Patches & Fixes for CVE-2026-75859 (1)

Vendor Advisories for CVE-2026-75859 (2)

Same Patch Batch · Hmbown · 2026-08-18 · 9 CVEs total

CVE-2026-75913 9.3 CRITICAL CodeWhale before 0.8.64 Argument Injection via git_show
CVE-2026-75856 8.6 HIGH CodeWhale before 0.8.64 SSRF Bypass via DNS Pinning TOCTOU
CVE-2026-75858 7.8 HIGH CodeWhale rlm_eval before 0.8.64 Remote Code Execution
CVE-2026-75911 7.8 HIGH CodeWhale before 0.8.64 Remote Code Execution via allow_shell
CVE-2026-75915 7.5 HIGH CodeWhale before 0.8.64 Environment Variable Leak via js_execution
CVE-2026-75914 7.5 HIGH CodeWhale before 0.8.64 Path Traversal via image_analyze symlink
CVE-2026-75912 7.4 HIGH CodeWhale before 0.8.64 Argument Injection via git_blame
CVE-2026-75857 7.0 HIGH CodeWhale before 0.8.64 Privilege Escalation via exec_shell_interact

IV. Related Vulnerabilities

Same product: CodeWhale
Same vendor: Hmbown
Same weakness: CWE-22

V. Comments for CVE-2026-75859

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