CVE-2026-126377
Vvveb before 1.0.9.0 Cookie Forgery via PHP Type Juggling in generateCookie()
CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th
Vvveb before 1.0.9.0 contains an authentication bypass vulnerability in generateCookie() in system/user/user.php that uses loose comparison to validate MD5 cookie hashes. Unauthenticated attackers can brute-force cookie values until the server's MD5 computation yields a 0e magic hash, then forge persistent cookies for account takeover.
| CWE | CWE-287 |
| Vendor | givanz |
| Product | vvveb |
| Published | Nov 13, 2026 |
Stay Ahead of the Next One
Get instant alerts for givanz vvveb
Be the first to know when new high vulnerabilities affecting givanz vvveb are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
givanz / Vvveb
0 < 1.0.9.0
References
Credits
🔍 andy21190