Critical 10.0Published Jan 19, 2026

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

Updated under an hour ago (Oct 28, 2026, 2:40 AM ET)

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It affects kohler hotcrp and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for kohler hotcrp

Exploited in the last 30 days

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: 10.0 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-20
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Jan 20, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

kohler hotcrp kohler:hotcrp (from the name)	= 3.1	CNA record
hotcrp hotcrp hotcrp:hotcrp	from 3.0 before 3.2	NVD

References

References

https://github.com/kohler/hotcrp/security/advisories/GHSA-hpqh-j6qx-x57h	x-refsource-confirm, patch, vendor-advisory
https://github.com/kohler/hotcrp/commit/4674fcfbb76511072a1145dad620756fc1d4b4e9	x-refsource-misc, patch
https://github.com/kohler/hotcrp/commit/bfc7e0db15df6ed6d544a639020d2ce05a5f0834	x-refsource-misc, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.