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CVE-2026-35209 defu: Prototype pollution via `__proto__` key in defaults argument

🗓️ 06 Apr 2026 17:26:52Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 74 Views

Prototype pollution in defu via __proto__ in defaults; fixed in version 6.1.5.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cgr
Chainguard
CVE-2026-35209 vulnerabilities
6 Apr 202619:31
–cgr
circl
Circl
CVE-2026-35209
6 Apr 202618:09
–circl
cnnvd
CNNVD
defu security vulnerabilities
6 Apr 202600:00
–cnnvd
cve
CVE
CVE-2026-35209
6 Apr 202617:26
–cve
github
Github Security Blog
defu: Prototype pollution via `__proto__` key in defaults argument
4 Apr 202606:17
–github
mend
Mend
CVE-2026-35209
6 Apr 202617:26
–mend
nvd
NVD
CVE-2026-35209
6 Apr 202618:16
–nvd
osv_cga
osv_cga
CGA-2495-6GXJ-36HX
1 Jul 202612:37
–osv_cga
osv_cga
osv_cga
CGA-275F-PMJP-RMVV
30 Jun 202612:31
–osv_cga
osv_cga
osv_cga
CGA-27FM-VR9G-X2Q2
4 Apr 202613:48
–osv_cga
Rows per page
[
  {
    "vendor": "unjs",
    "product": "defu",
    "versions": [
      {
        "version": "< 6.1.5",
        "status": "affected"
      }
    ]
  }
]

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06 Apr 2026 17:26Current
CVSS 3.17.5
EPSS0.00398
SSVC
74