Lucene search
K
Catalog
Vendors
Products
Timeline
Vulnerabilities
Sources
Documentation
Blog
Glossary
FAQ
Brand assets
Assessment
Agents dashboard
Agent Scanning
API Scanning
Assessment API
Alerts
Email notifications
Webhook notifications
Alerts API
SBOM package analysis
API Reference
Support
Settings
Sign in

CVE-2026-35209

🗓️ 06 Apr 2026 17:26:52Reported by GitHub_MType 
cve
 cve🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 19 Views

Prototype pollution in defu before 6.1.5 via __proto__ in defaults; fixed by object spread in 6.1.5.

Related
Detection
Affected
Refs
Social
ReporterTitlePublishedViews
Family
Chainguard		CVE-2026-35209 vulnerabilities
6 Apr 202619:31
–cgr
Circl		CVE-2026-35209
6 Apr 202618:09
–circl
CNNVD		defu 安全漏洞
6 Apr 202600:00
–cnnvd
Cvelist		CVE-2026-35209 defu: Prototype pollution via `__proto__` key in defaults argument
6 Apr 202617:26
–cvelist
Github Security Blog		defu: Prototype pollution via `__proto__` key in defaults argument
4 Apr 202606:17
–github
NVD		CVE-2026-35209
6 Apr 202618:16
–nvd
OSV		CGA-G5J4-66JR-WMXJ
6 Apr 202615:30
–osv
OSV		CLEANSTART-2026-CE10526 Security fixes for CVE-2025-64756, CVE-2025-69873, CVE-2026-1525, CVE-2026-1526, CVE-2026-1527, CVE-2026-1528, CVE-2026-2229, CVE-2026-2327, CVE-2026-23745, CVE-2026-2391, CVE-2026-24842, CVE-2026-25128, CVE-2026-25547, CVE-2026-2581, CVE-2026-25896, CVE-2026-26278, CVE-2026-26960, CVE-2026-27143, CVE-2026-27144, CVE-2026-27601, CVE-2026-27903, CVE-2026-27904, CVE-2026-27942, CVE-2026-28292, CVE-2026-2950, CVE-2026-29786, CVE-2026-31802, CVE-2026-32141, CVE-2026-32280, CVE-2026-32281, CVE-2026-32282, CVE-2026-32283, CVE-2026-32289, CVE-2026-33036, CVE-2026-33750, CVE-2026-33810, CVE-2026-35209, CVE-2026-42338, CVE-2026-4800, CVE-2026-6951, ghsa-23c5-xmqv-rm74, ghsa-25h7-pfq9-p65f, ghsa-2g4f-4pwh-qvx6, ghsa-2mjp-6q6p-2qxm, ghsa-34x7-hfp2-rc4v, ghsa-37qj-frw5-hhjh, ghsa-38c4-r59v-3vqw, ghsa-3ppc-4f35-3m26, ghsa-3v7f-55p6-f55p, ghsa-4992-7rv2-5pvq, ghsa-5j98-mcp5-4vw2, ghsa-737v-mqg7-c878, ghsa-73rr-hh4g-fpgx, ghsa-7h2j-956f-4vf2, ghsa-7r86-cg39-jmmj, ghsa-83g3-92jg-28cx, ghsa-8gc5-j5rx-235r, ghsa-8qq5-rm4j-mr97, ghsa-8wc6-vgrq-x6cf, ghsa-9ppj-qmqm-q256, ghsa-c2c7-rcm5-vvqj, ghsa-f23m-r3pf-42rh, ghsa-f269-vfmq-vjvj, ghsa-f886-m6hf-6m8v, ghsa-fj3w-jwp8-x2g3, ghsa-hffm-xvc3-vprc, ghsa-jmr7-xgp7-cmfj, ghsa-m7jm-9gc2-mpf2, ghsa-phc3-fgpg-7m6h, ghsa-qffp-2rhf-9h96, ghsa-qpx9-hpmf-5gmw, ghsa-r275-fr43-pm7q, ghsa-r5fr-rjxr-66jc, ghsa-r6q2-hw4h-h46w, ghsa-v2v4-37r5-5v8g, ghsa-v3rj-xjv7-4jmq, ghsa-v9p9-hfj2-hcw8, ghsa-vrm6-8vpv-qv8q, ghsa-w7fw-mjwx-w883, ghsa-xq3m-2v4x-88gg applied in versions: 43.123.6-r0, 43.123.8-r1, 43.123.8-r2, 43.123.8-r3, 43.4.4-r0
18 May 202613:17
–osv
OSV		CLEANSTART-2026-NB51079 Security fixes for CVE-2025-64756, CVE-2025-69873, CVE-2026-1525, CVE-2026-1526, CVE-2026-1527, CVE-2026-1528, CVE-2026-2229, CVE-2026-2327, CVE-2026-23745, CVE-2026-2391, CVE-2026-24842, CVE-2026-25128, CVE-2026-25547, CVE-2026-2581, CVE-2026-25896, CVE-2026-26278, CVE-2026-26960, CVE-2026-27143, CVE-2026-27144, CVE-2026-27601, CVE-2026-27903, CVE-2026-27904, CVE-2026-27942, CVE-2026-28292, CVE-2026-2950, CVE-2026-29786, CVE-2026-31802, CVE-2026-32141, CVE-2026-32280, CVE-2026-32281, CVE-2026-32282, CVE-2026-32283, CVE-2026-32289, CVE-2026-33036, CVE-2026-33750, CVE-2026-33810, CVE-2026-35209, CVE-2026-42338, CVE-2026-4800, CVE-2026-6951, ghsa-23c5-xmqv-rm74, ghsa-25h7-pfq9-p65f, ghsa-2g4f-4pwh-qvx6, ghsa-2mjp-6q6p-2qxm, ghsa-34x7-hfp2-rc4v, ghsa-37qj-frw5-hhjh, ghsa-38c4-r59v-3vqw, ghsa-3ppc-4f35-3m26, ghsa-3v7f-55p6-f55p, ghsa-4992-7rv2-5pvq, ghsa-5j98-mcp5-4vw2, ghsa-737v-mqg7-c878, ghsa-73rr-hh4g-fpgx, ghsa-7h2j-956f-4vf2, ghsa-7r86-cg39-jmmj, ghsa-83g3-92jg-28cx, ghsa-8gc5-j5rx-235r, ghsa-8qq5-rm4j-mr97, ghsa-8wc6-vgrq-x6cf, ghsa-9ppj-qmqm-q256, ghsa-c2c7-rcm5-vvqj, ghsa-f23m-r3pf-42rh, ghsa-f269-vfmq-vjvj, ghsa-f886-m6hf-6m8v, ghsa-fj3w-jwp8-x2g3, ghsa-hffm-xvc3-vprc, ghsa-jmr7-xgp7-cmfj, ghsa-m7jm-9gc2-mpf2, ghsa-phc3-fgpg-7m6h, ghsa-qffp-2rhf-9h96, ghsa-qpx9-hpmf-5gmw, ghsa-r275-fr43-pm7q, ghsa-r5fr-rjxr-66jc, ghsa-r6q2-hw4h-h46w, ghsa-v2v4-37r5-5v8g, ghsa-v3rj-xjv7-4jmq, ghsa-v9p9-hfj2-hcw8, ghsa-vrm6-8vpv-qv8q, ghsa-w7fw-mjwx-w883, ghsa-xq3m-2v4x-88gg applied in versions: 43.123.6-r0, 43.123.8-r1, 43.123.8-r2, 43.123.8-r3, 43.4.4-r0
18 May 202613:17
–osv
OSV		GHSA-737V-MQG7-C878 defu: Prototype pollution via `__proto__` key in defaults argument
4 Apr 202606:17
–osv
Rows per page
NVD
Vulners
Node
unjsdefuRange<6.1.5node.js
[
  {
    "vendor": "unjs",
    "product": "defu",
    "versions": [
      {
        "version": "< 6.1.5",
        "status": "affected"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

Book a live demo
27 Apr 2026 23:47Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.5
EPSS0.00018
SSVC
CWE-1321
defuprototype pollutiondefaults argument__proto__ keyobject spread fixCVE-2026-35209
19