VulnerabilityDeferred

CVE-2026-1774

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

CRITICAL 9.8EPSS 0.71%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.71%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

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

CVSS 3.1: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.71% probability · 53th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Source: cret@cert.org

EPSS trend

EPSS 0.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

https://cwe.mitre.org/data/definitions/1321.html
https://developer.mozilla.org/en-US/docs/Web/Security/Attacks/Prototype_pollution
https://github.com/stalniy/casl/tree/master/packages/casl-ability
https://www.kb.cert.org/vuls/id/458422

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.