@casl/ability 6.7.5 before 7.0.2 Prototype Pollution via rulesToFields setByPath
@casl/ability 6.7.5 before 7.0.2 contains a prototype pollution vulnerability in rulesToFields() that allows attackers to modify inherited builtins via dotted condition keys. Attackers controlling rule conditions can supply keys like 'toString.call' to alter shared builtin functions process-wide, causing denial of service for the Node.js process.
CVE-2026-111172
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-111172
@casl/ability
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://github.com/stalniy/casl",
"vendor": "stalniy",
"product": "@casl/ability",
"versions": [
{
"status": "affected",
"version": "6.7.5",
"lessThan": "7.0.2",
"versionType": "semver"
}
],
"packageURL": "pkg:npm/%40casl/ability",
"collectionURL": "https://registry.npmjs.org",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-111172
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #32800 · Revision 1
- Added to Heist Feed
- Publisher date