CVE-2026-126380

CVSS 9.4 (critical) · published 2026-11-13

Vvveb before 1.0.9.0 contains a denylist bypass in system/traits/media.php where '.phar' is misconfigured with a leading dot, allowing authenticated administrators to upload .phar PHP files. Attackers can upload a GIF magic-byte polyglot webshell bypassing binary inspection and execute arbitrary OS commands as the web-server user.

Weakness: CWE-434

Source: NVD CVE-2026-126380

References

• https://github.com/givanz/Vvveb/commit/638a6c6f5a7a7f7ff4c65f996894f400d8fb8e77
• https://github.com/givanz/Vvveb/security/advisories/GHSA-hcpj-pcpx-2744
• https://www.vulncheck.com/advisories/vvveb-before-1.0.9.0-rce-via-phar-extension-denylist-bypass-in-media-upload
• https://github.com/givanz/Vvveb/security/advisories/GHSA-hcpj-pcpx-2744

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