CVE-2026-23878

Medium

Description

HotCRP is conference review software. Starting in commit aa20ef288828b04550950cf67c831af8a525f508 and prior to commit ceacd5f1476458792c44c6a993670f02c984b4a0, authors with at least one submission on a HotCRP site could use the document API to download any documents (PDFs, attachments) associated with any submission. The problem was patched in commit ceacd5f1476458792c44c6a993670f02c984b4a0.

SeverityMedium
CVSS6.5
Exploit probability—
ProductHotcrp
PublishedJan 19, 2026
First seenJan 19, 2026
Weakness typeCWE-201CWE-201

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
hotcrp hotcrp3.1—

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