Medium 6.5Published Jan 19, 2026

CVE-2026-23878HotCRP vulnerable to exposure of submitted documents

Updated under an hour ago (Oct 27, 2026, 3:40 PM ET)

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It affects kohler hotcrp and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for kohler hotcrp

Exploited in the last 30 days

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.

CVSS: 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-201
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Analyzed
Record last updated: Jan 20, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

kohler hotcrp kohler:hotcrp (from the name)	from aa20ef288828b04550950cf67c831af8a525f508, < ceacd5f1476458792c44c6a993670f02c984b4a0	CNA record
hotcrp hotcrp hotcrp:hotcrp	3.1	NVD

References

References

https://github.com/kohler/hotcrp/security/advisories/GHSA-vh3x-xwj4-jvqx	x-refsource-confirm, vendor-advisory
https://github.com/kohler/hotcrp/commit/aa20ef288828b04550950cf67c831af8a525f508	x-refsource-misc, patch
https://github.com/kohler/hotcrp/commit/ceacd5f1476458792c44c6a993670f02c984b4a0	x-refsource-misc, patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.