Unrated severityOSV Advisory· Published Jan 19, 2026· Updated Jan 20, 2026
HotCRP vulnerable to remote code execution through formulas
CVE-2026-23836
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.
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Affected products
2Patches
Vulnerability mechanics
References
3- github.com/kohler/hotcrp/commit/4674fcfbb76511072a1145dad620756fc1d4b4e9mitrex_refsource_MISC
- github.com/kohler/hotcrp/commit/bfc7e0db15df6ed6d544a639020d2ce05a5f0834mitrex_refsource_MISC
- github.com/kohler/hotcrp/security/advisories/GHSA-hpqh-j6qx-x57hmitrex_refsource_CONFIRM
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