CVE-2026-115393

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Source
https://cve.org/CVERecord?id=CVE-2026-115393
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-115393.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-115393
Aliases
Downstream
Published
2026-10-22T19:13:59Z
Modified
2026-10-31T02:30:46Z
Severity
  • 1.0 (Low) CVSS_V4 - CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N CVSS Calculator
Summary
Wasmtime before 24.0.12, 25.0.0 before 36.0.13, 37.0.0 before 46.0.2, and 47.0.0 before 47.0.3 Cross-Engine Type Confusion
Details

Wasmtime before 24.0.12, 25.0.0 before 36.0.13, 37.0.0 before 46.0.2, and 47.0.0 before 47.0.3 contains a type confusion vulnerability because several Store APIs fail to validate that objects belong to the Store's Engine. Embedders mixing objects between Engines via Instance::new, StructRefPre::new, or Tag::new can trigger trampoline signature mismatches causing out-of-bounds stack writes, GC heap corruption, or panics.

Database specific 
{
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
        "CWE-787"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/115xxx/CVE-2026-115393.json"
}
References

Affected packages

Git / github.com/bytecodealliance/wasmtime

Affected ranges

Type
GIT
Repo
https://github.com/bytecodealliance/wasmtime
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
75662c3f090efb8f153ac1135077a85cb9aa2380
Introduced
0b195ef5db76c02fb5392ec1418c58bdc5537d41
Fixed
f65ae51bc2527490a5cd8fde805ea9754b81be1f
Introduced
7b3d6ae79e9153a2477668062f5622c10333925f
Fixed
4f87260abb0b64a6f0654a396551240edd270b71
Introduced
39d67168cdb6911ffdc961381314b6fed62e3c93
Fixed
5554cc1a651da536af2cc46c7324bdc085b162e3
Database specific
Show details 
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "24.0.12"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        },
        {
            "range": [
                {
                    "introduced": "25.0.0"
                },
                {
                    "fixed": "36.0.13"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        },
        {
            "range": [
                {
                    "introduced": "37.0.0"
                },
                {
                    "fixed": "46.0.2"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        },
        {
            "range": [
                {
                    "introduced": "47.0.0"
                },
                {
                    "fixed": "47.0.3"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        }
    ]
}

Affected versions

cranelift-v0.*
cranelift-v0.60.0
cranelift-v0.61.0
cranelift-v0.69.0
Other
dev
v0.*
v0.12.0
v0.16.0
v0.17.0
v0.18.0
v0.19.0
v0.20.0
v0.21.0
v0.22.0
v0.23.0
v0.24.0
v0.25.0
v0.26.0
v0.27.0
v0.28.0
v0.29.0
v0.30.0
v0.31.0
v0.32.0
v0.33.0
v0.34.0
v0.35.0
v24.*
v24.0.0
v24.0.1
v24.0.10
v24.0.11
v24.0.2
v24.0.3
v24.0.4
v24.0.5
v24.0.6
v24.0.7
v24.0.8
v24.0.9
v36.*
v36.0.0
v36.0.1
v36.0.10
v36.0.11
v36.0.12
v36.0.2
v36.0.3
v36.0.4
v36.0.5
v36.0.6
v36.0.7
v36.0.8
v36.0.9
v46.*
v46.0.0
v46.0.1
v47.*
v47.0.0
v47.0.1
v47.0.2

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-115393.json"