by Kastro
Paper/Archive/CVE-2026-23836

CVE-2026-23836

kohler hotcrp — HotCRP vulnerable to remote code execution through formulas

EPSS 0.5%CVSS 10.0
critical.is priorityof 100
38
CVSS 10.0 (CNA)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 39.6.396 × 207.9No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
hotcrp= 3.1–CNA

Scores by source

GitHub_M (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/kohler/hotcrp/security/advisories/GHSA-hpqh-j6qx-x57hrefgithub.com/kohler/hotcrp/commit/4674fcfbb76511072a1145dad620756fc1d4b4e9refgithub.com/kohler/hotcrp/commit/bfc7e0db15df6ed6d544a639020d2ce05a5f0834