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

Quick assessment

Affected
kohler hotcrp
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HotCRP Conference Review Software是Eddie Kohler个人开发者的一个软件。用于管理评审过程，尤其是学术会议。 HotCRP Conference Review Software存在安全漏洞，该漏洞源于文档API存在缺陷，可能导致至少提交过一次论文的作者下载与任何提交相关的任何文档。

CVSS 6.5 · Medium EPSS 0.31% · P22

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-23878

Vulnerability Information
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Vulnerability Title
HotCRP vulnerable to exposure of submitted documents
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过发送数据的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
HotCRP Conference Review Software 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HotCRP Conference Review Software是Eddie Kohler个人开发者的一个软件。用于管理评审过程，尤其是学术会议。 HotCRP Conference Review Software存在安全漏洞，该漏洞源于文档API存在缺陷，可能导致至少提交过一次论文的作者下载与任何提交相关的任何文档。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
kohler hotcrp >= aa20ef288828b04550950cf67c831af8a525f508, < ceacd5f1476458792c44c6a993670f02c984b4a0 -

II. Public POCs for CVE-2026-23878

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III. Intelligence Information for CVE-2026-23878

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Patches & Fixes for CVE-2026-23878 (1)

IV. Related Vulnerabilities

Same product: hotcrp
Same vendor: kohler
Same weakness: CWE-201

V. Comments for CVE-2026-23878

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