CVE-2026-23836

CRITICAL

9.9

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.

CVE Details

CVSS v3.1 Score9.9

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published1/19/2026

Last Modified2/18/2026

Sourcenvd

Honeypot Sightings0

Affected Products

hotcrp:hotcrp

Weaknesses (CWE)

CWE-20

References

https://github.com/kohler/hotcrp/commit/4674fcfbb76511072a1145dad620756fc1d4b4e9(security-advisories@github.com)

https://github.com/kohler/hotcrp/commit/bfc7e0db15df6ed6d544a639020d2ce05a5f0834(security-advisories@github.com)

https://github.com/kohler/hotcrp/security/advisories/GHSA-hpqh-j6qx-x57h(security-advisories@github.com)

IOC Correlations

No correlations recorded

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