Vulnerability library

Security checkFebruary 11, 2026

CASL Ability is Vulnerable to Prototype Pollution

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High severitynpm @casl/ability

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Description

CASL Ability, versions 2.4.0 through 6.7.4, contains a prototype pollution vulnerability.

Recommendation

Update the @casl/ability package to the latest compatible version. Followings are version details:

Affected version(s): >= 2.4.0, <= 6.7.4
Patched version(s): 6.7.5

References

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See something that needs correcting? Let us knowUpdated February 11, 2026