CVE-2026-1774
Critical
Description
CASL Ability, versions 2.4.0 through 6.7.4, contains a prototype pollution vulnerability.
SeverityCritical
CVSS9.8
Exploit probability—
Product@casl/ability
PublishedFeb 10, 2026
First seenFeb 10, 2026
Weakness typeCWE-1321Prototype pollution
How to fix
Update
- @casl/ability6.7.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| @casl/abilitynpm | 2.4.0 ≤ v < 6.7.5 | 6.7.5 |
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