{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-48170", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-20T23:12:43.033Z", "datePublished": "2026-08-07T21:26:54.941Z", "dateUpdated": "2026-08-10T14:06:00.075Z"}, "containers": {"cna": {"title": "scimPatch vulnerable to prototype pollution via unfiltered keys in patch", "problemTypes": [{"descriptions": [{"cweId": "CWE-1321", "lang": "en", "description": "CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/thomaspoignant/scim-patch/security/advisories/GHSA-9m6g-wc8r-q59c", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/thomaspoignant/scim-patch/security/advisories/GHSA-9m6g-wc8r-q59c"}, {"name": "https://github.com/thomaspoignant/scim-patch/commit/260f9cd2ac5ceac3976978850bb47dcb391720f6", "tags": ["x_refsource_MISC"], "url": "https://github.com/thomaspoignant/scim-patch/commit/260f9cd2ac5ceac3976978850bb47dcb391720f6"}], "affected": [{"vendor": "thomaspoignant", "product": "scim-patch", "versions": [{"version": "< 0.9.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-07T21:26:54.941Z"}, "descriptions": [{"lang": "en", "value": "`scim-patch`, a library to perform SCIM patch, prior to version 0.9.1 performs prototype pollution when applying a SCIM PATCH operation whose `value` object contains a key like `\"__proto__.someProp\"`. After one such patch,\n`Object.prototype.someProp` is set process-wide, affecting every plain object in the Node process. Any service that calls `scimPatch()` on attacker-controlled JSON (i.e. any SCIM endpoint accepting `PATCH` from an external IdP) is exploitable on a stock Node runtime. Version 0.9.1 contains a patch. A workaround is available. Calling `Object.freeze(Object.prototype)` (and the same on `Array.prototype`, `Function.prototype`) at process startup neutralizes this class of bug \u2014 assignment to a frozen prototype becomes a silent no-op in sloppy mode or a `TypeError` in strict mode. Node's `--frozen-intrinsics` flag does this for built-ins automatically."}], "source": {"advisory": "GHSA-9m6g-wc8r-q59c", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/thomaspoignant/scim-patch/security/advisories/GHSA-9m6g-wc8r-q59c", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-10T13:53:45.430723Z", "id": "CVE-2026-48170", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-10T14:06:00.075Z"}}]}}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.9.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "scim-patch", "source": "cna", "vendor": "thomaspoignant"}, "product": "scim-patch", "vendor": "thomaspoignant"}], "created": "2026-08-07T22:30:03.261259+00:00", "updated": "2026-08-08T20:40:16.707833+00:00", "vendors": ["thomaspoignant", "thomaspoignant$PRODUCT$scim-patch"]}