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CVE-2026-45373— CodeWhale: SSRF‌ IPV6 bypass

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.

CodeWhale是Hunter Bown个人开发者的一款终端编码智能体工具。 CodeWhale 0.8.26之前版本存在代码问题漏洞，该漏洞源于SSRF验证主机名解析为私有IPv6地址，但当URL中提供IPv6如http://[::1]时SSRF防御失效。

CVSS 7.4 · High EPSS 0.24% · P15

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Hmbown CodeWhale < 0.8.26 affected
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I. Basic Information for CVE-2026-45373

Vulnerability Information
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Vulnerability Title
CodeWhale: SSRF‌ IPV6 bypass
Source: CVE Program / CVE List V5
Vulnerability Description
CodeWhale is a DeepSeek + MiMo coding agent in terminal. Prior to 0.8.26, although SSRF is validated against hostnames that resolve to private IPv6 addresses, when providing the IPV6 in‌‌ URL‌ as http://[::1], the SSRF defenses do not work. This vulnerability is fixed in 0.8.26.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
CodeWhale 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CodeWhale是Hunter Bown个人开发者的一款终端编码智能体工具。 CodeWhale 0.8.26之前版本存在代码问题漏洞，该漏洞源于SSRF验证主机名解析为私有IPv6地址，但当URL中提供IPv6如http://[::1]时SSRF防御失效。
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 < 0.8.26 -

II. Public POCs for CVE-2026-45373

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 6909 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
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III. Intelligence Information for CVE-2026-45373

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Vendor Advisories for CVE-2026-45373 (1)

Proof of Concept for CVE-2026-45373 (1)

Same Patch Batch · Hmbown · 2026-05-28 · 4 CVEs total

CVE-2026-45311 9.6 CRITICAL CodeWhale: run_tests Tool Enables RCE via Malicious Repository Without Approval
CVE-2026-45374 9.6 CRITICAL CodeWhale: task_create Insecure Defaults Enable RCE via Prompt Injection in Project Files
CVE-2026-45310 7.4 HIGH CodeWhale: SSRF via HTTP Redirect Bypass in fetch_url Tool

IV. Related Vulnerabilities

Same product: CodeWhale
Same vendor: Hmbown
Same weakness: CWE-918

V. Comments for CVE-2026-45373

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