CVE-2026-46643: Snappy: Binary path is never shell-escaped due to an inverted is_executable check

high Affects knplabs/knp-snappy. Feed 2026.10.29.1, updated 2026-10-28; published 2026-05-21; advisory modified 2026-09-10.

Snappy: Binary path is never shell-escaped due to an inverted is_executable check

Package: knplabs/knp-snappy Composer
Affected versions: <1.7.1
Fixed in: 1.7.1
Severity: high
Exploitation: not on CISA KEV · EPSS 0% (9.9th percentile)
Published: 2026-05-21
Source: osv.dev

References

CWE-78

NVD record knplabs/knp-snappy advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs How findings are ranked

Related advisories

CVE-2023-28115 critical PHAR deserialization allowing remote code execution same package: knplabs/knp-snappy
CVE-2023-41330 critical Snappy PHAR deserialization vulnerability same package: knplabs/knp-snappy
CVE-2026-46683 medium Snappy : SSRF and local file read via the xsl-style-sheet option same package: knplabs/knp-snappy
CVE-2024-56145 KEV critical Craft CMS has potential RCE when PHP `register_argc_argv` config setting is enabled same weakness: CWE-78
CVE-2019-9194 critical elFinder command injection vulnerability in the PHP connector same weakness: CWE-78
CVE-2023-30253 high Dolibarr vulnerable to remote code execution via uppercase manipulation same weakness: CWE-78