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CVE-2026-23836

HotCRP vulnerable to remote code execution through formulas

HIGH
8.8
CVSS Score
Published: January 19, 2026 at 06:06 PM UTC
Updated: June 17, 2026 at 10:22 AM UTC
2 products affected across 2 vendorsHotcrpHotCRP

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Severity
HIGH8.8
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

References (3)

x_refsource_CONFIRMPatchVendor Advisory
Source: cverecord
https://github.com/kohler/hotcrp/security/advisories/GHSA-hpqh-j6qx-x57h
x_refsource_MISCPatch
Source: cverecord
https://github.com/kohler/hotcrp/commit/4674fcfbb76511072a1145dad620756fc1d4b4e9
x_refsource_MISCPatch
Source: cverecord
https://github.com/kohler/hotcrp/commit/bfc7e0db15df6ed6d544a639020d2ce05a5f0834

SSVC — Action Prioritization

SSVCNo known exploitAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-20NVD-CWE-noinfo

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