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CVE-2026-46683— Snappy: SSRF and local file read via the xsl-style-sheet option

Quick assessment

Affected
KnpLabs snappy
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.

Snappy是KNP Labs个人开发者的一个 PHP 库，允许从 url 或 html 页面生成缩略图、快照或 PDF。 Snappy 1.7.0之前版本存在代码问题漏洞，该漏洞源于xsl-style-sheet选项可能导致服务端请求伪造和本地文件读取。

AI Predicted 8.1 Difficulty: Moderate EPSS 0.25% · P17

Affected Version Matrix 1

VendorProduct Version RangeStatus
KnpLabs snappy < 1.7.0 affected
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I. Basic Information for CVE-2026-46683

Vulnerability Information
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Vulnerability Title
Snappy: SSRF and local file read via the xsl-style-sheet option
Source: CVE Program / CVE List V5
Vulnerability Description
Snappy is a PHP library allowing thumbnail, snapshot or PDF generation from a url or a html page. Prior to version 1.7.0, there is a SSRF and local file read vulnerability via the xsl-style-sheet option. This issue has been patched in version 1.7.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:L/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Snappy 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Snappy是KNP Labs个人开发者的一个 PHP 库，允许从 url 或 html 页面生成缩略图、快照或 PDF。 Snappy 1.7.0之前版本存在代码问题漏洞，该漏洞源于xsl-style-sheet选项可能导致服务端请求伪造和本地文件读取。
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
KnpLabs snappy < 1.7.0 -

II. Public POCs for CVE-2026-46683

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III. Intelligence Information for CVE-2026-46683

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Vendor Advisories for CVE-2026-46683 (1)

Vendor Pages for CVE-2026-46683 (1)

IV. Related Vulnerabilities

Same product: snappy
Same vendor: KnpLabs
Same weakness: CWE-918

V. Comments for CVE-2026-46683

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