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CVE-2026-50029 js-toml has silent type confusion via falsy-primitive duplicate-key bypass

🗓️ 14 Aug 2026 19:08:54Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

js-toml prior to 1.1.2 silently overwrites falsy-typed keys due to duplicate-key check using truthiness instead of membership test.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-50029
14 Aug 202619:08
attackerkb
circl
Circl
CVE-2026-50029
27 Jun 202600:35
circl
cve
CVE
CVE-2026-50029
26 Jun 202622:49
cve
euvd
EUVD
EUVD-2026-58791
14 Aug 202619:08
euvd
github
Github Security Blog
js-toml has silent type confusion via falsy-primitive duplicate-key bypass
26 Jun 202622:49
github
nvd
NVD
CVE-2026-50029
14 Aug 202619:17
nvd
osv
OSV
GHSA-M34P-749J-X6M6 js-toml has silent type confusion via falsy-primitive duplicate-key bypass
26 Jun 202622:49
osv
patchstack
Patchstack
NPM: js-toml has silent type confusion via falsy-primitive duplicate-key bypass
26 Jun 202622:49
patchstack
ptsecurity
Positive Technologies
PT-2026-53025
26 Jun 202600:00
ptsecurity
snyk
Snyk
Incorrect Comparison
26 Jun 202622:49
snyk
[
  {
    "vendor": "sunnyadn",
    "product": "js-toml",
    "versions": [
      {
        "version": "< 1.1.2",
        "status": "affected"
      }
    ]
  }
]

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