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Back to active CVEs
Medium · CVSS 6.0CVE-2026-111172

@casl/ability 6.7.5 before 7.0.2 Prototype Pollution via rulesToFields setByPathCVE-2026-111172

Answer in brief

CVE-2026-111172 records a Medium severity (CVSS 6.0) vulnerability in @casl/ability 6.7.5 before 7.0.2 Prototype Pollution via rulesToFields setByPath. The current sources do not mark it as known exploited. The current feed maps stalniy/@casl/ability (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 15, 2026Updated Oct 15, 2026Source checked Oct 15, 2026First seen by HOL Oct 15, 2026Material review Oct 15, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.0
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 6.0. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps stalniy/@casl/ability (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
stalniy/@casl/abilitygeneric>=6.7.5 <7.0.27.0.2

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for stalniy/@casl/ability.
  2. 2Review the reported fix. Update stalniy/@casl/ability to 7.0.2 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Oct 15, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 15, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 15, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevulncheck.com
Upstream source description

@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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Improper Origin Validation in Internal Messaging Components of BeyondTrust Remote SupportSame generic ecosystem
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  • EnergizeLab Eilik AI Skill Upload Unauthenticated Path Traversal Arbitrary File WriteSame generic ecosystem
  • EnergizeLab AI Station Default Root Credentials with SSH EnabledSame generic ecosystem
  • EnergizeLab Eilik Unauthenticated Device-Token Issuance for Arbitrary Serial NumbersSame generic ecosystem
  • EnergizeLab FirmwareUpdater Universal Hard-Coded AES KeySame generic ecosystem

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-1321
Source
CVE List V5
Source checked
Oct 15, 2026
References
5 linked sources
Open source record