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CVE-2026-23836

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Date: January 19, 2026

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.

Severity Score

Related Resources (5)

https://github.com/kohler/hotcrp/commit/4674fcfbb76511072a1145dad620756fc1d4b4e9
https://nvd.nist.gov/vuln/detail/CVE-2026-23836
https://github.com/kohler/hotcrp/commit/bfc7e0db15df6ed6d544a639020d2ce05a5f0834
https://github.com/kohler/hotcrp/security/advisories/GHSA-hpqh-j6qx-x57h
https://www.mend.io/vulnerability-database/CVE-2026-23836

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

Top Fix

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Upgrade to version https://github.com/kohler/hotcrp.git - v3.2

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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