GHSA-8gw3-rxh4-v6jx

Suggest an improvement
Source
https://github.com/advisories/GHSA-8gw3-rxh4-v6jx
Import Source
https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/11/GHSA-8gw3-rxh4-v6jx/GHSA-8gw3-rxh4-v6jx.json
JSON Data
https://api.osv.dev/v1/vulns/GHSA-8gw3-rxh4-v6jx
Aliases
Downstream
CGA (32)
MINI (8)
Published
2025-11-14T18:31:39Z
Modified
2026-09-10T03:50:30Z
Severity
  • 7.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
Summary
expr-eval vulnerable to Prototype Pollution
Details

npm package expr-eval is vulnerable to Prototype Pollution. An attacker with access to express eval interface can use JavaScript prototype-based inheritance model to achieve arbitrary code execution. The npm expr-eval-fork package resolves this issue.

Database specific 
{
    "cwe_ids":  [
        "CWE-1321"
    ],
    "github_reviewed":  true,
    "github_reviewed_at":  "2025-11-17T18:39:19Z",
    "nvd_published_at":  "2025-11-14T17:16:01Z",
    "severity":  "HIGH"
}
References

Affected packages

npm / expr-eval

Package

Name
expr-eval
View open source insights on deps.dev
Purl
pkg:npm/expr-eval

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Last Affected
2.0.2

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/11/GHSA-8gw3-rxh4-v6jx/GHSA-8gw3-rxh4-v6jx.json"

npm / expr-eval-fork

Package

Name
expr-eval-fork
View open source insights on deps.dev
Purl
pkg:npm/expr-eval-fork

Affected ranges

Type
SEMVER
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
2.0.2

Database specific

source 
"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/11/GHSA-8gw3-rxh4-v6jx/GHSA-8gw3-rxh4-v6jx.json"