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CVE-2026-23836— HotCRP vulnerable to remote code execution through formulas

Quick assessment

Affected
kohler hotcrp
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.

HotCRP Conference Review Software是Eddie Kohler个人开发者的一个软件。用于管理评审过程，尤其是学术会议。 HotCRP Conference Review Software 3.2之前版本存在输入验证错误漏洞，该漏洞源于HotCRP公式的代码生成清理不足，可能导致执行任意PHP代码。

CVSS 10.0 · Critical EPSS 0.46% · P38

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-23836

Vulnerability Information
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Vulnerability Title
HotCRP vulnerable to remote code execution through formulas
Source: CVE Program / CVE List V5
Vulnerability Description
HotCRP is conference review software. A problem introduced in April 2024 in version 3.1 led to inadequately sanitized code generation for HotCRP formulas which allowed users to trigger the execution of arbitrary PHP code. The problem is patched in release version 3.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
HotCRP Conference Review Software 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HotCRP Conference Review Software是Eddie Kohler个人开发者的一个软件。用于管理评审过程，尤其是学术会议。 HotCRP Conference Review Software 3.2之前版本存在输入验证错误漏洞，该漏洞源于HotCRP公式的代码生成清理不足，可能导致执行任意PHP代码。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
kohler hotcrp = 3.1 -

II. Public POCs for CVE-2026-23836

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III. Intelligence Information for CVE-2026-23836

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IV. Related Vulnerabilities

Same product: hotcrp
Same vendor: kohler
Same weakness: CWE-20

V. Comments for CVE-2026-23836

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