CVE-2025-31990
Unknown Unknown - Not Provided
Denial of Service via Missing Rate Limiting in HCL Velocity

Publication date: 2026-02-07

Last updated on: 2026-02-07

Assigner: HCL Software

Description
Rate limiting for certain API calls is not being enforced, making HCL Velocity vulnerable to Denial of Service (DoS) attacks. An attacker could flood the system with a large number of requests, overwhelming its resources and causing it to become unresponsive to legitimate users. This vulnerability is fixed in 5.1.7.
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Meta Information
Published
2026-02-07
Last Modified
2026-02-07
Generated
2026-06-16
AI Q&A
2026-02-07
EPSS Evaluated
2026-06-14
NVD
CVE-2025-31990
EUVD
EUVD-2025-206899
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
hcl velocity 5.1.7
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-770 The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.
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Executive Summary

This vulnerability occurs because rate limiting for certain API calls in HCL Velocity is not enforced. Without rate limiting, an attacker can send a large number of requests to the system in a short period of time.

As a result, the system's resources can become overwhelmed, making it unresponsive to legitimate users. This type of attack is known as a Denial of Service (DoS) attack.

The issue is addressed and fixed in version 5.1.7 of HCL Velocity.

Impact Analysis

This vulnerability can impact you by causing the HCL Velocity system to become unresponsive or unavailable due to resource exhaustion from a flood of malicious API requests.

Legitimate users may be unable to access the system or its services during such an attack, leading to potential disruption of business operations.

The impact is classified as high availability impact (CVSS score 6.8), meaning the confidentiality and integrity of data are not affected, but the system's availability is severely compromised.

Compliance Impact

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Detection Guidance

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Mitigation Strategies

To mitigate this vulnerability, you should upgrade HCL Velocity to version 5.1.7 where the issue is fixed.

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