CVE-2026-111172
CVE-2026-111172 · @casl/ability 6.7.5 before 7.0.2 Prototype Pollution via rulesToFields setByPath
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@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.
CVSS 6.0 · Mittel · EPSS 0,4% · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Betroffene Produkte und Versionen
@casl/ability
- Softwareversionen
- ≥ 6.7.5, < 7.0.2: Betroffen (semver)
Auf 7.0.2 aktualisieren
Originalquellen
- https://github.com/stalniy/casl/commit/58242cb3c7911c8a89bacfb7d732701d81bc1324
- https://github.com/stalniy/casl/pull/1305
- https://github.com/stalniy/casl/blob/80f2380d03cfe9b162685d510ba8bc0ce83d0598/packages/casl-ability/src/utils.ts#L11-L29
- https://github.com/stalniy/casl
- https://www.vulncheck.com/advisories/casl-ability-6.7.5-before-7.0.2-prototype-pollution-via-rulestofields-setbypath
- https://nvd.nist.gov/vuln/detail/CVE-2026-111172