PT-2026-7279 · Unknown · Casl Ability

Alma Security + 3 · Published 2026-02-10 · Updated 2026-02-12 · CVE-2026-1774

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions CASL Ability versions 2.4.0 through 6.7.4

Description CASL Ability contains a prototype pollution vulnerability. This issue affects versions 2.4.0 through 6.7.4. Prototype pollution occurs when an attacker manipulates the properties of JavaScript objects, potentially leading to denial of service or unauthorized access.

Recommendations Update CASL Ability to a version later than 6.7.4.

Fix

Prototype Pollution

Weakness Enumeration

CWE-1321

Related Identifiers

CVE-2026-1774

GHSA-X9VF-53Q3-CVX6

Affected Products

Casl Ability

References · 12

• https://nvd.nist.gov/vuln/detail/CVE-2026-1774 · Security Note
• https://osv.dev/vulnerability/GHSA-x9vf-53q3-cvx6 · Vendor Advisory
• https://github.com/stalniy/casl/pull/1093 · Note
• https://github.com/stalniy/casl/commit/39da920ec1dfadf3655e28bd0389e960ac6871f4 · Note
• https://github.com/stalniy/casl · Note
• https://github.com/stalniy/casl/tree/master/packages/casl-ability · Note
• https://reddit.com/r/VulnMatter/comments/1r2tzxw/resumen_diario_de_vulnerabilidades_12022026 · Reddit Post
• https://developer.mozilla.org/en-US/docs/Web/Security/Attacks/Prototype_pollution · Note
• https://kb.cert.org/vuls/id/458422 · Note
• https://twitter.com/_cvereports/status/2021806493394202840 · Twitter Post
• https://twitter.com/TheHackerWire/status/2021627413902569900 · Twitter Post
• https://cwe.mitre.org/data/definitions/1321.html · Note