What’s Vulnerable › Vulnerabilities

CVE-2026-57863: Crater Invoice 6.0.6 Path Traversal RCE via update/unzip endpoint

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-25 · updated 2026-09-24
• Weakness: CWE-22

Description

Crater Invoice through 6.0.6 contains a path traversal vulnerability in the self-update API that allows authenticated company owners to write arbitrary files outside the intended extraction directory by supplying crafted ZIP archives with ../ sequences to the unzip endpoint. Attackers can exploit unsanitized ZIP entry names passed to PHP's ZipArchive::extractTo() to write arbitrary PHP files into the web-accessible public directory and achieve remote code execution on the server.

Affected products

• crater-invoice-inc crater: through 6.0.6

References

• https://gist.github.com/sermikr0/cc58727e6a777b6ea1104e923803a0ba
• https://www.vulncheck.com/advisories/crater-invoice-path-traversal-rce-via-update-unzip-endpoint

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