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CVE-2026-46683 KnpLabs CVE debrief

CVE-2026-46683 is a medium-severity vulnerability in the Snappy PHP library, which allows for Server-Side Request Forgery (SSRF) and local file read attacks. This issue is resolved in version 1.7.0.

Vendor
KnpLabs
Product
snappy
CVSS
MEDIUM 6.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-10
Original CVE updated
2026-06-10
Advisory published
2026-06-10
Advisory updated
2026-06-10

Who should care

Users of the Snappy PHP library, particularly those who generate thumbnails, snapshots, or PDFs from URLs or HTML pages, should be aware of this vulnerability and take steps to mitigate it.

Technical summary

The Snappy PHP library, used for generating thumbnails, snapshots, or PDFs from URLs or HTML pages, is vulnerable to SSRF and local file read attacks via the xsl-style-sheet option. This vulnerability has been patched in version 1.7.0.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update the Snappy PHP library to version 1.7.0 or later.
  • Review and restrict usage of the xsl-style-sheet option to minimize exposure.

Evidence notes

CVE-2026-46683 has a CVSS score of 6.9 and is classified as MEDIUM severity. The vulnerability was published on 2026-06-10T20:17:29.017Z and last modified on 2026-06-10T20:21:20.207Z.

Official resources

CVE-2026-46683 was published on 2026-06-10T20:17:29.017Z and last modified on 2026-06-10T20:21:20.207Z.