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TI-2026-39908 Aliases CVE-2026-55231

Vvveb: Path traversal in Vvveb via sanitizeFileName() bypass enables arbitrary file read and delete through backup tools

Priority HIGH 67CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA.

Summary

Vvveb is a powerful and easy to use CMS with page builder to build websites, blogs or ecommerce stores. Prior to version 1.0.8.6, a flawed central path sanitizer lets an authenticated admin-panel user who holds backup access (default role site_admin or higher) read and delete arbitrary files on a server. An attacker can recover database credentials from config/db.php, read host files such as /etc/passwd, and delete config/db.php to push a site back into install mode for a full takeover. This issue has been patched in version 1.0.8.6.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00518 44th percentileScored 2026-11-07
Fix Fixed Vvveb (givanz): 1.0.8.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
givanzVvvebbefore 1.0.8.61.0.8.6Patch availableCNA
  • Vvveb Vendorgivanz Affected before 1.0.8.6 Fixed in 1.0.8.6 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:vvveb:vvveb:*:*:*:*:*:*:*:*——givanz
  • cpe:2.3:a:vvveb:vvveb:*:*:*:*:*:*:*:* Versions — — ·givanz

Remediation

  • Fix · CNA Vvveb (givanz) Fixed in 1.0.8.6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-55231

References

Other 2

  • TI-2026-83112 Authentication bypass in Vvveb password reset enables account takeover CVSS 3.1CRITICAL 9.8
  • TI-2025-28570 An issue in vvveb CMS v.1.0.6 allows a remote attacker to execute arbitrary code via the Plugin mechanism. CVSS 3.1CRITICAL 9.8
  • TI-2024-18282 givanz VvvebJs 1.7.2 is vulnerable to Insecure File Upload. CVSS 3.1CRITICAL 9.8
  • TI-2024-16622 givanz VvvebJs 1.7.2 suffers from a File Upload vulnerability via save.php. CVSS 3.1CRITICAL 9.8
  • TI-2024-16621 A critical vulnerability has been identified in givanz VvvebJs 1.7.2, which allows both… CVSS 3.1CRITICAL 9.1
  • TI-2026-83115 Authenticated IDOR in Vvveb lets admins steal other admins' API tokens CVSS 3.1CRITICAL 9.0
See all 65 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences