CVE-2026-111172 (GCVE-0-2026-111172)
Vulnerability from cvelistv5
Published
2026-10-15 18:57
Modified
2026-10-16 17:09
Severity ?
6.0 (Medium) - CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
5.3 (Medium) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
  • CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Summary
@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.
References
Impacted products
Vendor Product Version
stalniy @casl/ability Version: 6.7.5   ≤
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