PT-2026-33779 · Givanz · Vvveb

Vulncheck · Published 2026-04-20 · Updated 2026-04-20 · CVE-2026-39918

Mitre

CVSS v3.1

9.8

Critical

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Fix

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

CVE-2026-39918

Affected Products

Vvveb

References · 4

• https://github.com/givanz/Vvveb/commit/5162c1639130bd080ab63c7d856788cd59d6b3b7 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-39918 · Security Note
• https://vulncheck.com/advisories/vvveb-code-injection-via-installation-endpoint · Note
• https://github.com/givanz/Vvveb/releases/tag/1.0.8.1 · Note