scim-patch: Mutation of Inherited Built-in Method Objects

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-61834
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-23 15:17:15 UTC
Updated2026-09-23 17:17:15 UTC
Descriptionscim-patch is a library for applying SCIM patch operations. Prior to 0.9.2, navigate() reads inherited properties and assign() uses prototype-chain membership checks while resolving attacker-controlled SCIM PATCH paths. A path or one of the dotted value keys beginning with an inherited property such as toString can therefore traverse into a shared built-in function object and add attacker-controlled properties, causing process-global mutation that may affect application logic reading inherited-method properties. This issue is fixed in version 0.9.2.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Problem Types: CWE-915 | CWE-1321 | CWE-915 CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes | CWE-1321 CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
3.1CNADECLARED4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Thomaspoignant Scim-patch affected < 0.9.2 Not specified

References

ReferenceSourceLinkTags
github.com/thomaspoignant/scim-patch/pull/1127 [email protected] github.com
github.com/thomaspoignant/scim-patch/commit/c86474f7a9b16191d939f59ba94e... [email protected] github.com
github.com/thomaspoignant/scim-patch/releases/tag/v0.9.2 [email protected] github.com
github.com/thomaspoignant/scim-patch/security/advisories/GHSA-2mhw-wcx5-... 134c704f-9b21-4f2e-91b3-4a467353bcc0 github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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