Medium 6.5Published Jan 19, 2026

CVE-2026-23878HotCRP is conference review software.

Updated under an hour ago (2026-10-19 07:30 UTC)

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No exploitation reported and no EPSS estimate yet.

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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, NVD)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: Not given
NVD analysis: Analyzed
Record last updated: Jun 17, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

hotcrp hotcrp hotcrp:hotcrp	3.1	NVD

References

https://github.com/kohler/hotcrp/commit/aa20ef288828b04550950cf67c831af8a525f508patch
https://github.com/kohler/hotcrp/commit/ceacd5f1476458792c44c6a993670f02c984b4a0patch
https://github.com/kohler/hotcrp/security/advisories/GHSA-vh3x-xwj4-jvqxvendor-advisory

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.