What’s Vulnerable › Vulnerabilities

CVE-2026-41935: Vvveb < 1.0.8.3 Uncontrolled Recursion Denial of Service

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-14 · updated 2026-10-26
• Weakness: CWE-209

Description

Vvveb before 1.0.8.3 contains an uncontrolled recursion vulnerability in the admin controller dispatch cycle where Base::init() repeatedly invokes permission() on error handlers, causing infinite recursion until PHP memory limits are exhausted. Attackers can send sustained requests to forbidden admin URLs from a low-privilege account to exhaust PHP memory on all workers and cause denial of service to legitimate traffic.

Affected products

• givanz Vvveb: before 1.0.8.3 — fixed in 1.0.8.3

How to fix

Upgrade to a fixed version: givanz Vvveb 1.0.8.3. Check the vendor advisory for mitigations.

References

• https://github.com/givanz/Vvveb/commit/c766e84b479dcf1bd1f25a44e4b9c9fa450769c8
• https://github.com/givanz/Vvveb/releases/tag/1.0.8.3
• https://www.vulncheck.com/advisories/vvveb-uncontrolled-recursion-denial-of-service

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