Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-78385— RansomLook Analysis PDF Generation Allows Server-Side Request Forgery and Arbitrary Local File Access

Quick assessment

Affected
ransomlook ransomlook
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.

RansomLook 在分析文档生成功能中存在资源验证不足的问题。分析文档由 Markdown 转换为 HTML 后，交由 WeasyPrint 渲染为 PDF。在修复之前，WeasyPrint 使用其默认的 URL 获取器，导致分析内容中包含的资源引用可以不受限制地被解析。 能够创建或修改分析的认证攻击者，可以嵌入精心构造的资源引用，例如使用 file:// 或 http:// 等协议。当分析文档后续被渲染为 PDF 时，WeasyPrint 会以 RansomLook 服务器的权限和网络访问能力来处理这些引用。

CVSS 8.2 · High EPSS 0.26% · P17

Affected Version Matrix 1

VendorProduct Version RangeStatus
ransomlook ransomlook ≤ 2.0.0 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-78385

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
RansomLook Analysis PDF Generation Allows Server-Side Request Forgery and Arbitrary Local File Access
Source: CVE Program / CVE List V5
Vulnerability Description
RansomLook contains insufficient resource validation in the analysis PDF generation functionality. Analysis documents are converted from Markdown to HTML and passed to WeasyPrint for PDF rendering. Prior to the fix, WeasyPrint used its default URL fetcher, allowing resource references contained in an analysis to be resolved without restrictions. An authenticated attacker able to create or modify an analysis could embed crafted resource references using schemes such as file:// or http://. When the analysis was subsequently rendered as PDF, WeasyPrint would process these references with the privileges and network access of the RansomLook server. A malicious file:// reference could cause the renderer to access arbitrary files readable by the RansomLook process, potentially exposing sensitive configuration, credentials, or other local data through rendered resources. Network URLs could cause the server to initiate requests to localhost, internal network services, or external systems, resulting in server-side request forgery (SSRF) and potentially bypassing network-level access restrictions. The patch introduces a dedicated WeasyPrint URL fetcher that permits only data: resources, the RansomLook report logo, and files contained within the analysis asset directory. Network resources and filesystem paths outside these explicitly permitted locations are rejected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ransomlook ransomlook 0 ~ 2.0.0 -

II. Public POCs for CVE-2026-78385

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 10324 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-2026-78385

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-78385 (1)

Same Patch Batch · ransomlook · 2026-08-24 · 13 CVEs total

CVE-2026-78387 9.4 CRITICAL RansomLook Missing Authorization in Web Configuration Editor Allows Application Configurat
CVE-2026-78555 9.4 CRITICAL RansomLook API Key Disclosure Through /admin/apikeys HTML Source
CVE-2026-78372 9.2 CRITICAL RansomLook Missing Authorization Allows Disclosure of Private Group and Ransom Note Data
CVE-2026-78370 9.2 CRITICAL RansomLook Unauthenticated Database Export Exposes Private Data
CVE-2026-78369 8.8 HIGH Missing Authentication Allows Unauthorized Creation of Crypto Groups in RansomLook
CVE-2026-78391 8.8 HIGH Stored Cross-Site Scripting via Untrusted Cryptocurrency Address Rendering in RansomLook
CVE-2026-78551 8.8 HIGH RansomLook Login Endpoint Allows Timing-Based Username Enumeration and Unthrottled Authent
CVE-2026-78380 8.7 HIGH Private Group and Market Posts Disclosed Through Public Notification Channels in RansomLoo
CVE-2026-78386 8.7 HIGH Unauthenticated Disclosure of Scraping Credentials and Bypass Configuration via RansomLook
CVE-2026-78381 8.2 HIGH RansomLook Arbitrary File Read via Path Traversal in Post screen Field
CVE-2026-78553 7.0 HIGH Insecure Flask Secret-Key File Permissions Allow Local Administrator Session Forgery in Ra
CVE-2026-78378 6.9 MEDIUM Redis Glob Pattern Injection Allows Unauthorized Enumeration of Private Ransomlook Data

IV. Related Vulnerabilities

Same product: ransomlook
Same vendor: ransomlook
Same weakness: CWE-918

V. Comments for CVE-2026-78385

No comments yet

Leave a comment