MEDIUMCVSS v3.1 5.3Vulnerability

CVE-2026-111172

@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.

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-20T21:14:08.448323+00:00
Epss score
0.00383
Cvss severity
MEDIUM
Cvss score
5.3
Retrieved at
2026-10-21T01:24:48+00:00
Last source
FIRST EPSS
Score
5.3
Cvss version
3.1
Cve id
CVE-2026-111172
Cvss vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
First seen by Signal
2026-10-18T13:39:03+00:00
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Published at
2026-10-15T19:17:33.450
Last modified
2026-10-16T18:25:45.343
Epss percentile
0.3086

Related Entities (1)

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CVE-2026-111172 (CVSS v3.1 5.3) — Ninja Signal Threat Intelligence | Ninja Signal