CVE-2026-46683: CWE-918: Server-Side Request Forgery (SSRF) in KnpLabs snappy
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.
AI Analysis
Technical Summary
CVE-2026-46683 is a medium-severity SSRF and local file read vulnerability in the KnpLabs snappy PHP library. The flaw exists in versions before 1.7.0 and is triggered through the xsl-style-sheet option, which can be manipulated to cause the server to perform unauthorized requests or access local files. This vulnerability is identified as CWE-918. The vulnerability was publicly disclosed on June 10, 2026, with a CVSS 4.0 base score of 6.9. The issue has been fixed in version 1.7.0.
Potential Impact
An attacker can exploit this vulnerability to make the server send unauthorized requests to internal or external systems (SSRF) and potentially read local files, which may lead to information disclosure or further attacks depending on the server environment and configuration.
Mitigation Recommendations
Upgrade the KnpLabs snappy library to version 1.7.0 or later, where this vulnerability has been patched. No other mitigation is indicated by the vendor advisory.
CVE-2026-46683: CWE-918: Server-Side Request Forgery (SSRF) in KnpLabs snappy
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.
CVSS v4.0
Score 6.9medium
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-46683 is a medium-severity SSRF and local file read vulnerability in the KnpLabs snappy PHP library. The flaw exists in versions before 1.7.0 and is triggered through the xsl-style-sheet option, which can be manipulated to cause the server to perform unauthorized requests or access local files. This vulnerability is identified as CWE-918. The vulnerability was publicly disclosed on June 10, 2026, with a CVSS 4.0 base score of 6.9. The issue has been fixed in version 1.7.0.
Potential Impact
An attacker can exploit this vulnerability to make the server send unauthorized requests to internal or external systems (SSRF) and potentially read local files, which may lead to information disclosure or further attacks depending on the server environment and configuration.
Mitigation Recommendations
Upgrade the KnpLabs snappy library to version 1.7.0 or later, where this vulnerability has been patched. No other mitigation is indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-15T21:46:51.548Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a29c2720e53e738838993ba
Added to database: 06/10/2026, 20:00:50 UTC
Last enriched: 06/10/2026, 20:14:06 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 69
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