CVE-2026-31052 Details
Description
An issue in Hostbill v.2025-11-24 and 2025-12-01 allows a remote attacker to cause a denial of service via the Checkout Authentication Flow component
A denial-of-service vulnerability has been identified in HostBill versions through 2025-12-01. The issue arises in the Checkout Authentication Flow component, where the server-side CAPTCHA validation is improperly enforced. This flaw allows remote attackers to bypass CAPTCHA protections and execute brute-force login attempts during the checkout process.
Users are advised to update HostBill to the latest version.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Apr 24, 2026CISA-ADP
Assessed Apr 24, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/Muhammad5235/HostBill-CVEs-2025/blob/main/Rate%20Limit%20Bypass/Description | CISA-ADP | ExploitTechnical Description |
| https://blog.hostbillapp.com/2025/12/03/hostbill-security-advisory/ | [email protected] | AdvisoryRemedyVendor |
| https://github.com/Muhammad5235/HostBill-CVEs-2025/blob/main/Rate%20Limit%20Bypass/Description | [email protected] | ExploitTechnical Description |
| https://hostbillapp.com/changelog | [email protected] | Release NotesVendor |
| https://hostbillapp.com/release-notes/11-27-2025.html | [email protected] | Release NotesVendor |
| https://hostbillapp.com/responsible-disclosure | [email protected] | Vendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-400 | Uncontrolled Resource Consumption | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| HostBill | 2025-11-24 2025-12-01 |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Apr 24, 2026 | CVE Modified | CISA-ADP |
| Apr 24, 2026 | New CVE Received | [email protected] |
Volerion