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    2 vulnerabilities by thomaspoignant

    CVE-2026-48170 (GCVE-0-2026-48170)

    Vulnerability from nvd – Published: 2026-08-07 21:26 – Updated: 2026-08-10 14:06
    VLAI
    Title
    scimPatch vulnerable to prototype pollution via unfiltered keys in patch
    Summary
    `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, `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 — 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.
    Severity
    9.1 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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            "url": "https://github.com/thomaspoignant/scim-patch/security/advisories/GHSA-9m6g-wc8r-q59c"
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        ],
        "title": "CISA ADP Vulnrichment"
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    ],
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          "vendor": "thomaspoignant",
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    CVE-2026-48170 (GCVE-0-2026-48170)

    Vulnerability from cvelistv5 – Published: 2026-08-07 21:26 – Updated: 2026-08-10 14:06
    VLAI
    Title
    scimPatch vulnerable to prototype pollution via unfiltered keys in patch
    Summary
    `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, `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 — 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.
    Severity
    9.1 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L
    SSVC
    Exploitation: poc Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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