GHSA-cfw5-2vxh-hr84

Suggest an improvement
Source
https://github.com/advisories/GHSA-cfw5-2vxh-hr84
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-cfw5-2vxh-hr84/GHSA-cfw5-2vxh-hr84.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-cfw5-2vxh-hr84
Aliases
Published
2026-03-12T14:13:03Z
Modified
2026-03-14T02:39:33.159638Z
Severity
  • 6.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N CVSS Calculator
Summary
devalue has prototype pollution in devalue.parse and devalue.unflatten
Details

In devalue v5.6.3, devalue.parse and devalue.unflatten were susceptible to prototype pollution via maliciously crafted payloads. Successful exploitation could lead to Denial of Service (DoS) or type confusion.

Database specific
{
    "severity": "MODERATE",
    "github_reviewed": true,
    "cwe_ids": [
        "CWE-1321"
    ],
    "github_reviewed_at": "2026-03-12T14:13:03Z",
    "nvd_published_at": "2026-03-11T18:16:22Z"
}
References

Affected packages

npm / devalue

Package

Affected ranges

Type
SEMVER
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
5.6.4

Database specific

source
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-cfw5-2vxh-hr84/GHSA-cfw5-2vxh-hr84.json"