php-weasyprint: shell command injection via configurable WeasyPrint binary path due to inverted is_executable() guard (mirror of KnpLabs/snappy GHSA-vpr4-p6fq-85jc)

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.0021, the 11th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 31 Oct 2026, 14:01 UTC First seen by agentprime
2. 31 Oct 2026, 14:01 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-f5gc-qxf8-mh9g
• OSV: GHSA-f5gc-qxf8-mh9g
• github.com/KnpLabs/snappy/security/advisories/GHSA-vpr4-p6fq-85jc
• github.com/pontedilana/php-weasyprint/security/advisories/GHSA-f5gc-qxf8-mh9g
• nvd.nist.gov/vuln/detail/CVE-2026-49260
• github.com/pontedilana/php-weasyprint/commit/9e86a2b317237fc5728f712f5037164530117f7e
• github.com/pontedilana/php-weasyprint
• github.com/pontedilana/php-weasyprint/releases/tag/2.5.1

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.