CVE-2026-61834scim-patch: Mutation of Inherited Built-in Method Objects
Updated under an hour ago ()
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It affects thomaspoignant scim-patch. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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scim-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.
- CVSS
- 4.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- Weakness (CWE)
- CWE-915, CWE-1321
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitHub_M
- NVD analysis
- Deferred
- Record last updated
- Sep 23, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
thomaspoignant scim-patch thomaspoignant:scim_patch (from the name) | before 0.9.2 | CNA record |
References
- https://github.com/thomaspoignant/scim-patch/security/advisories/GHSA-2mhw-wcx5-v3xjx-refsource-confirm
- https://github.com/thomaspoignant/scim-patch/pull/1127x-refsource-misc
- https://github.com/thomaspoignant/scim-patch/commit/c86474f7a9b16191d939f59ba94eca6c6e63044bx-refsource-misc
- https://github.com/thomaspoignant/scim-patch/releases/tag/v0.9.2x-refsource-misc
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.