CVE-2026-44966

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Source
https://cve.org/CVERecord?id=CVE-2026-44966
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44966.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-44966
Aliases
Published
2026-05-26T21:21:29.986Z
Modified
2026-07-08T08:13:29.150569972Z
Severity
  • 8.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L CVSS Calculator
Summary
Velocity.js: Prototype Pollution in #set path assignment
Details

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.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44966.json",
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-1321"
    ]
}
References

Affected packages

Git / github.com/shepherdwind/velocity.js

Affected ranges

Type
GIT
Repo
https://github.com/shepherdwind/velocity.js
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
a74b56073762f47d34a25abed2e1e10118faef02
Database specific 
{
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ],
    "cpe": "cpe:2.3:a:shepherdwind:velocity.js:*:*:*:*:*:node.js:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "2.1.5"
        }
    ]
}

Affected versions

0.*
0.10.0
0.3.12
0.3.13
0.3.14
0.3.15
0.3.16
0.4.0
0.4.1
0.4.10
0.4.2
0.4.4
0.4.5
0.4.7
0.4.8
0.4.9
0.6.0
0.7.2
0.7.3
0.7.4
0.7.5
0.8.0
0.8.2
0.8.4
0.8.5
0.9.0
0.9.1
Other
list
v0.*
v0.10.1
v0.9.2
v0.9.3
v0.9.4
v0.9.5
v0.9.6
v1.*
v1.0.0
v1.0.1
v1.0.2
v1.1.0
v1.1.1
v1.1.2
v1.1.3
v1.1.5
v2.*
v2.0.1
v2.0.2
v2.0.3
v2.0.4
v2.0.5
v2.0.6
v2.1.0
v2.1.1
v2.1.2
v2.1.3
v2.1.4
v2.1.5

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44966.json"