CVE•Published 2026-04-20•Modified 2026-07-14•1 article on news•6 live references•NVD data
CVE-2026-39918
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
47
Exploit Prediction Scoring System · top 53% of all CVEs
Weaknesses (CWE)
Description
Vvveb prior to 1.0.8.1 contains a code injection vulnerability in the installation endpoint where the subdir POST parameter is written unsanitized into the env.php configuration file without escaping or validation. Attackers can inject arbitrary PHP code by breaking out of the string context in the define statement to achieve unauthenticated remote code execution as the web server user.
Timeline
Published 2026-04-20
Modified 2026-07-14
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-39918Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-39918Censys host search filtered to this CVE id.
grep.app
CVE-2026-39918Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-39918GitHub code search for direct mentions.
Google dork
"CVE-2026-39918" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-39918 on GitHub.