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CVE-2026-63432— Horilla: Server-Side Template Injection (SSTI) in Mail Preview Endpoints Allows Authenticated Users to Disclose Password Hashes and Server Metadata

Quick assessment

Affected
horilla horilla-hr
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.

Horilla 是一款人力资源（HR）和客户关系管理（CRM）软件。在版本 1.0.0 至 1.6.0 以及 2.0.0 中， 和 文件中的 处理程序在 和 端点渲染用户可控的请求体时，将整个 Django 请求对象直接传入模板上下文。具有有效 CSRF 令牌的已认证用户可利用模板属性遍历机制，读取 （用户密码）、 （服务器元数据）以及关联用户的属性，从而暴露密码哈希值、个人数据和服务器请求元信息。 由于 Django 模板机制的限制，该漏洞无法实现任意代码执行，因此其主要影响为信息泄露，并可能导致离线密码破解或账

CVSS 6.5 · Medium EPSS 0.32% · P23

Possible ATT&CK Techniques 1 AI

T1552.001 · Credentials In Files

Affected Version Matrix 2

VendorProduct Version RangeStatus
horilla horilla-hr >= 1.0.0, < 1.6.0 affected
>= 2.0.0-beta.1, < 2.0.0 affected
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I. Basic Information for CVE-2026-63432

Vulnerability Information
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Vulnerability Title
Horilla: Server-Side Template Injection (SSTI) in Mail Preview Endpoints Allows Authenticated Users to Disclose Password Hashes and Server Metadata
Source: CVE Program / CVE List V5
Vulnerability Description
Horilla is an HR and CRM software. From 1.0.0 until 1.6.0 and 2.0.0, the get_mail_preview handlers in recruitment/views/actions.py and employee/not_in_out_dashboard.py render a user-controlled body at /recruitment/get-mail-preview/ and /employee/get-employee-mail-preview with the full request object in the Django template context. An authenticated user with a valid CSRF token can use template attribute traversal to read request.user.password, request.META, and related-user attributes, exposing password hashes, personal data, and server request metadata. Django template restrictions prevent arbitrary code execution through this primitive, so the demonstrated impact is information disclosure and possible offline password cracking or account compromise. This issue is fixed in versions 1.6.0 and 2.0.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
horilla horilla-hr >= 1.0.0, < 1.6.0 -

II. Public POCs for CVE-2026-63432

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III. Intelligence Information for CVE-2026-63432

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Patches & Fixes for CVE-2026-63432 (2)

Vendor Advisories for CVE-2026-63432 (1)

Vendor Pages for CVE-2026-63432 (1)

Same Patch Batch · horilla · 2026-09-25 · 5 CVEs total

CVE-2026-96795 8.8 HIGH Horilla: Authenticated RCE in Horilla List-View Export
CVE-2026-71483 8.5 HIGH Horilla: Reflected Cross-Site Scripting (XSS) in Employee Filter View
CVE-2026-63431 6.5 MEDIUM Horilla: Missing Authorization on Payroll Component Views Exposes Employee Salary Structur
CVE-2026-86066 5.9 MEDIUM Horilla attendance approval endpoint is vulnerable to cross-site request forgery

IV. Related Vulnerabilities

Same product: horilla-hr
Same vendor: horilla
Same weakness: CWE-94

V. Comments for CVE-2026-63432

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