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CVE-2026-15527— better-auth better-icons scan_project_icons/sync_icon path traversal

Quick assessment

Affected
better-auth better-icons
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.

Better Auth Better Icons是Better Auth组织的一款图标管理工具。 Better Auth Better Icons 1.0.5及之前版本存在路径遍历漏洞，该漏洞源于scan_project_icons/sync_icon组件中参数icons_file被操纵，从而导致路径遍历。

CVSS 5.3 · Medium EPSS 0.17% · P7

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 6

VendorProduct Version RangeStatus
better-auth better-icons 1.0.0 affected
1.0.1 affected
1.0.2 affected
1.0.3 affected
1.0.4 affected
1.0.5 affected
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I. Basic Information for CVE-2026-15527

Vulnerability Information
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Vulnerability Title
better-auth better-icons scan_project_icons/sync_icon path traversal
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability has been found in better-auth better-icons up to 1.0.5. This vulnerability affects unknown code of the component scan_project_icons/sync_icon. Such manipulation of the argument icons_file leads to path traversal. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Better Auth Better Icons 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Better Auth Better Icons是Better Auth组织的一款图标管理工具。 Better Auth Better Icons 1.0.5及之前版本存在路径遍历漏洞，该漏洞源于scan_project_icons/sync_icon组件中参数icons_file被操纵，从而导致路径遍历。
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
better-auth better-icons 1.0.0 cpe:2.3:a:better-auth:better-icons:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-15527

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-15527

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Other References for CVE-2026-15527 (2)

IV. Related Vulnerabilities

Same vendor: better-auth
Same weakness: CWE-22