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CVE-2026-58494 Wasmtime: WASI hard links bypass wasmtime-wasi's FilePerms for destination

🗓️ 08 Jul 2026 20:22:16Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 55 Views

Wasmtime hard-link and rename could bypass preopen FilePerms, enabling host file overwrites.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-58494
8 Jul 202620:22
–attackerkb
cgr
Chainguard
CVE-2026-58494 vulnerabilities
19 Oct 202614:55
–cgr
circl
Circl
CVE-2026-58494
8 Jul 202622:25
–circl
cve
CVE
CVE-2026-58494
8 Jul 202620:22
–cve
debiancve
Debian CVE
CVE-2026-58494
8 Jul 202620:22
–debiancve
euvd
EUVD
EUVD-2026-42393
16 Oct 202619:57
–euvd
github
Github Security Blog
Wasmtime: WASI hard links bypass wasmtime-wasi's FilePerms for destination
16 Oct 202619:57
–github
mend
Mend
CVE-2026-58494
8 Jul 202620:22
–mend
nvd
NVD
CVE-2026-58494
8 Jul 202621:16
–nvd
osv_cga
osv_cga
CGA-P2R4-3MXF-RM22
17 Oct 202614:04
–osv_cga
Rows per page
[
  {
    "vendor": "bytecodealliance",
    "product": "wasmtime",
    "versions": [
      {
        "version": "< 24.0.11",
        "status": "affected"
      },
      {
        "version": ">= 25.0.0, < 36.0.12",
        "status": "affected"
      },
      {
        "version": ">= 37.0.0, < 45.0.3",
        "status": "affected"
      },
      {
        "version": ">= 46.0.0, < 46.0.1",
        "status": "affected"
      }
    ]
  }
]

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