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PatchSiren cyber security CVE debrief

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-46683 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-46683

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-46683 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46683

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.