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CVE-2026-28511— elabftw has entry title leakage through autocompletion search

Quick assessment

Affected
elabftw elabftw
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.

eLabFTW是eLabFTW开源的一套开源的实验数据托管平台。该平台运行于Linux系统中，并支持存储多种对象。 eLabFTW 5.4.2之前版本存在信息泄露漏洞，该漏洞源于经过身份验证的用户执行数字引用或搜索时可能返回未授权资源，可能导致敏感信息泄露。

CVSS 4.3 · Medium EPSS 0.19% · P8

Affected Version Matrix 1

VendorProduct Version RangeStatus
elabftw elabftw < 5.4.2 affected
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I. Basic Information for CVE-2026-28511

Vulnerability Information
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Vulnerability Title
elabftw has entry title leakage through autocompletion search
Source: CVE Program / CVE List V5
Vulnerability Description
eLabFTW is an open source electronic lab notebook. Prior to version 5.4.2, in certain cases, an authenticated user performing a numeric reference/search can return results that include resources the requesting user is not authorized to view. The exposed information is limited (only the title). Attempts to access the underlying protected resource content remain blocked by authorization checks. Version 5.4.2 fixes the issue. # Affected Scope Cross-scope visibility of titles. No confirmed bypass of content-level access controls # Preconditions An authenticated user account No special privileges required beyond standard access # Impact This may enable unauthorized disclosure of sensitive information if confidential data is included in resource titles. Examples could include project names, patient identifiers, or other regulated information embedded in titles.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
eLabFTW 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
eLabFTW是eLabFTW开源的一套开源的实验数据托管平台。该平台运行于Linux系统中，并支持存储多种对象。 eLabFTW 5.4.2之前版本存在信息泄露漏洞，该漏洞源于经过身份验证的用户执行数字引用或搜索时可能返回未授权资源，可能导致敏感信息泄露。
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
elabftw elabftw < 5.4.2 -

II. Public POCs for CVE-2026-28511

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III. Intelligence Information for CVE-2026-28511

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Vendor Advisories for CVE-2026-28511 (1)

IV. Related Vulnerabilities

Same product: elabftw
Same vendor: elabftw
Same weakness: CWE-200

V. Comments for CVE-2026-28511

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