SecuriTricks - CVE-2026-23878

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.

Product(s) Impacted

Vendor	Product	Versions
Hotcrp	Hotcrp	*

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-201

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.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	hotcrp	hotcrp	/	/	/	/	/	/	/	/

References

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

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

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

CVSS Score

6.5 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: LOW
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: NONE
Availability Impact: NONE

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

View Vector String

Timeline

Published: Jan. 19, 2026, 7:16 p.m.
Last Modified: Jan. 19, 2026, 7:16 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-23878