CVE-2026-23878

Published: Jan 19, 2026Modified: Jun 17, 2026

6.5

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitability: 2.8 / Impact: 3.6

Source: security-advisories@github.com (Secondary)

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.

Affected (1)

Products: Hotcrp: Hotcrp

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Hotcrp Hotcrp	Version 3.1

Related CWEs

Insertion of Sensitive Information Into Sent Data

The code transmits data to another actor, but a portion of the data includes sensitive information that should not be accessible to that actor.

References (3)

https://github.com/kohler/hotcrp/commit/aa20ef288828b04550950cf67c831af8a525f508

Source: security-advisories@github.com

Patch

https://github.com/kohler/hotcrp/commit/ceacd5f1476458792c44c6a993670f02c984b4a0

Source: security-advisories@github.com

Patch

https://github.com/kohler/hotcrp/security/advisories/GHSA-vh3x-xwj4-jvqx

Source: security-advisories@github.com

Vendor Advisory

Timeline

No history available yet.