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CVE-2026-15195

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

MEDIUM
6.3
CVSS Score
Published: July 9, 2026 at 05:15 PM UTC
Updated: October 25, 2026 at 05:10 PM UTC
1 product affected across 1 vendorJSON Schema Ref Parser

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.5%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

JSON Schema Ref Parser· Apidevtools
95%
All versions15.3.015.3.115.3.215.3.315.3.415.3.5
Vendor states this is fixed in 15.3.6 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (8)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/377123
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/377123/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-15195
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/851809
Issue Tracking
Source: cverecord
https://github.com/APIDevTools/json-schema-ref-parser/issues/421
Patch
Source: cverecord
https://github.com/APIDevTools/json-schema-ref-parser/commit/a786bc6afc3674f650496472ee93d5cf74c4bd84
Patch
Source: cverecord
https://github.com/APIDevTools/json-schema-ref-parser/releases/tag/v15.3.6
Product
Source: cverecord
https://github.com/APIDevTools/json-schema-ref-parser/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-1321CWE-94

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