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CVE-2026-49356 Babel: Arbitrary File Read via sourceMappingURL Comment in @babel/core

🗓️ 22 Jun 2026 16:07:01Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 2 Views

CVE-2026-49356: Babel core prior to fixes allowed arbitrary file read via sourceMappingURL comments.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-49356
22 Jun 202616:07
attackerkb
Chainguard
CVE-2026-49356 vulnerabilities
18 Jun 202620:21
cgr
CVE
CVE-2026-49356
22 Jun 202616:07
cve
Github Security Blog
@babel/core: Arbitrary File Read via sourceMappingURL Comment
15 Jun 202617:14
github
NVD
CVE-2026-49356
22 Jun 202618:16
nvd
OSV
CGA-4MWV-6XRJ-9CG9
18 Jun 202618:16
osv
OSV
GHSA-4X5R-PXFX-6JF8 @babel/core: Arbitrary File Read via sourceMappingURL Comment
15 Jun 202617:14
osv
OSV
MINI-9GWP-43J3-G67V
16 Jun 202617:22
osv
OSV
MINI-9HH9-X38R-QHH4
22 Jun 202611:42
osv
OSV
MINI-CJ8X-7PR2-69R5
16 Jun 202617:28
osv
Rows per page
[
  {
    "vendor": "babel",
    "product": "babel",
    "versions": [
      {
        "version": ">= 8.0.0-alpha.0, < 8.0.0-rc.5",
        "status": "affected"
      },
      {
        "version": "< 7.29.6",
        "status": "affected"
      }
    ]
  }
]

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