CVE-2026-23836
CRITICAL
2026-01-19
[email protected]
9.9
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High
Lifecycle Timeline
3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
Patch Released
Feb 18, 2026 - 16:01 nvd
Patch available
CVE Published
Jan 19, 2026 - 18:16 nvd
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.
Analysis
HotCRP conference review software version 3.1 has an inadequate input sanitization flaw (CVSS 9.9) that allows authenticated users to execute arbitrary code on the server through crafted submissions.
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Remediation
Within 24 hours: Identify all affected systems running April 2024 in and apply vendor patches immediately. Vendor patch is available.
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Priority Score
50
Low
Medium
High
Critical
KEV: 0
EPSS: +0.1
CVSS: +50
POC: 0
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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