CVE-2026-44966HIGH 8.3EPSS p35.6%
CVE-2026-44966CVE-2026-44966
shepherdwind / velocity.js
Description
Velocity.js is a JavaScript implementation of the Apache Velocity template engine. In 2.1.5 and earlier, a prototype pollution vulnerability was discovered in velocityjs. This issue occurs during the processing of #set directives in Velocity templates. If an application renders a template controlled by an attacker, it is possible to modify Object.prototype, potentially leading to Denial of Service (DoS) or Remote Code Execution (RCE) depending on the server environment.
Scoring
| CVSS 3.1 | 8.3 (HIGH) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L |
| EPSS | 0.45% probability of exploitation · percentile 35.6% · 2026-06-19T12:03:05Z |
| Published | 2026-05-26 |
| Last modified | 2026-06-02 |
Underlying weaknesses· 1
References
1
| Type | Target | Confidence | Tier |
|---|---|---|---|
| Weakness | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')cwe-1321 | 0% | live |
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.