CVE-2026-23836

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.

CVSS v3 9.9 CRITICAL

9.9^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.1 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://github.com/kohler/hotcrp/commit/4674fcfbb76511072a1145dad620756fc1d4b4e9	Patch
https://github.com/kohler/hotcrp/commit/bfc7e0db15df6ed6d544a639020d2ce05a5f0834	Patch
https://github.com/kohler/hotcrp/security/advisories/GHSA-hpqh-j6qx-x57h	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:hotcrp:hotcrp:*:*:*:*:*:*:*:*

History

18 Feb 2026, 16:01

Type	Values Removed	Values Added
CPE		cpe:2.3:a:hotcrp:hotcrp::::::::
First Time		Hotcrp hotcrp Hotcrp
CWE		NVD-CWE-noinfo
References	~~() https://github.com/kohler/hotcrp/commit/4674fcfbb76511072a1145dad620756fc1d4b4e9 -~~	() https://github.com/kohler/hotcrp/commit/4674fcfbb76511072a1145dad620756fc1d4b4e9 - Patch
References	~~() https://github.com/kohler/hotcrp/commit/bfc7e0db15df6ed6d544a639020d2ce05a5f0834 -~~	() https://github.com/kohler/hotcrp/commit/bfc7e0db15df6ed6d544a639020d2ce05a5f0834 - Patch
References	~~() https://github.com/kohler/hotcrp/security/advisories/GHSA-hpqh-j6qx-x57h -~~	() https://github.com/kohler/hotcrp/security/advisories/GHSA-hpqh-j6qx-x57h - Patch, Vendor Advisory

19 Jan 2026, 18:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-19 18:16

Updated : 2026-02-18 16:01

NVD link : CVE-2026-23836

Mitre link : CVE-2026-23836

CVE.ORG link : CVE-2026-23836

JSON object : View

Products Affected

hotcrp

hotcrp

CWE

CWE-20

Improper Input Validation

NVD-CWE-noinfo

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