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CVE-2026-115383

🗓️ 22 Oct 2026 19:13:50Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 3 Views

Improper validation in Wasmtime allows GC heap corruption via tag imports.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-115383 Wasmtime 47.0.0 before 48.0.4 and 49.0.0 before 49.0.2 GC Heap Corruption via Tag Imports
22 Oct 202619:13
–cvelist
euvd
EUVD
EUVD-2026-108309
22 Oct 202619:13
–euvd
nvd
NVD
CVE-2026-115383
22 Oct 202619:17
–nvd
Vulners
CNA
Node
OR
bytecodealliancewasmtimeRange47.0.0–48.0.4
bytecodealliancewasmtimeRange49.0.0–49.0.2
[
  {
    "vendor": "bytecodealliance",
    "product": "wasmtime",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:cargo/wasmtime",
    "versions": [
      {
        "version": "47.0.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "48.0.4"
      },
      {
        "version": "48.0.4",
        "status": "unaffected",
        "versionType": "semver"
      },
      {
        "version": "49.0.0",
        "status": "affected",
        "versionType": "semver",
        "lessThan": "49.0.2"
      },
      {
        "version": "49.0.2",
        "status": "unaffected",
        "versionType": "semver"
      }
    ]
  }
]

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22 Oct 2026 19:17Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.14.8
CVSS 45.9
3