apidevtools json-schema-ref-parser pointer.ts Pointer.set prototype pollution (CVE-2026-15195) | HOL Guard CVE

Medium · CVSS 6.3CVE-2026-15195

apidevtools json-schema-ref-parser pointer.ts Pointer.set prototype pollution

Answer in brief

CVE-2026-15195 records a Medium severity (CVSS 6.3) vulnerability in apidevtools json-schema-ref-parser pointer.ts Pointer.set prototype pollution. The current sources do not mark it as known exploited. The current feed maps apidevtools/json-schema-ref-parser (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 Jul 9, 2026Updated Jul 9, 2026Source checked Sep 19, 2026First seen by HOL Jul 9, 2026Material review Jul 9, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 6.3
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 6.3. 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 apidevtools/json-schema-ref-parser (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
apidevtools/json-schema-ref-parsergeneric	15.3.0 \|\| 15.3.1 \|\| 15.3.2 \|\| 15.3.3 \|\| 15.3.4 \|\| 15.3.5	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for apidevtools/json-schema-ref-parser.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Jul 9, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Jul 9, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Jul 9, 2026

Sources and claim methodology

Upstream source description

A weakness has been identified in apidevtools json-schema-ref-parser up to 15.3.5. This impacts the function Refs.set/Pointer.set in the library lib/pointer.ts. Executing a manipulation can lead to improperly controlled modification of object prototype attributes. The attack can be launched remotely. Upgrading to version 15.3.6 will fix this issue. This patch is called a786bc6afc3674f650496472ee93d5cf74c4bd84. It is suggested to upgrade the affected component.

Quoted source text, attributed separately from HOL analysis.