CVE-2026-16008 Details
Description
A security vulnerability has been detected in sagold json-schema-library 11.5.0/11.5.1. This impacts the function parsePropertyDependencies of the file src/keywords/propertyDependencies.ts. The manipulation leads to improperly controlled modification of object prototype attributes. The attack can be initiated remotely. Upgrading to version 11.6.0 will fix this issue. The identifier of the patch is 432287ee6f68a02ce6f015354618486ec427a32d. It is advisable to upgrade the affected component.
A prototype pollution vulnerability has been identified in Sagold Json-Schema-Library versions 11.5.0 and 11.5.1. The issue arises in the 'parsePropertyDependencies' function within 'src/keywords/propertyDependencies.ts', where improper handling of object prototype attributes can be exploited remotely. This vulnerability allows for the modification of 'Object.prototype', potentially leading to unexpected behavior in applications that rely on standard object properties.
Users are advised to upgrade to version 11.6.0, where this vulnerability has been fixed. The patch involves changing the way property dependencies are parsed to prevent pollution of the object prototype.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jul 17, 2026CISA-ADP
Assessed Jul 17, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/sagold/json-schema-library/issues/111 | CISA-ADP | ExploitIssue TrackingTechnical AnalysisVendor |
| https://github.com/sagold/json-schema-library/ | [email protected] | Vendor |
| https://github.com/sagold/json-schema-library/commit/432287ee6f68a02ce6f015354618486ec427a32d | [email protected] | Source CodeVendor |
| https://github.com/sagold/json-schema-library/issues/111 | [email protected] | ExploitIssue TrackingTechnical AnalysisVendor |
| https://github.com/sagold/json-schema-library/releases/tag/v11.6.0 | [email protected] | Release NotesVendor |
| https://vuldb.com/cve/CVE-2026-16008 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/856721 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/379752 | [email protected] | BundlePermission Required |
| https://vuldb.com/vuln/379752/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-1321 | Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') | [email protected] |
| CWE-94 | Improper Control of Generation of Code ('Code Injection') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| sagold json-schema-library | 11.5.0 (semver) 11.5.1 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jul 17, 2026 | CVE Modified | CISA-ADP |
| Jul 17, 2026 | New CVE Received | [email protected] |