CVE-2026-70660

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Source

https://cve.org/CVERecord?id=CVE-2026-70660

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-70660.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-70660

Aliases

GHSA-v2m4-h57v-fr6w

Published

2026-11-05T15:27:53Z

Modified

2026-11-05T21:32:26Z

Severity

6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N CVSS Calculator

Summary

stable-diffusion.cpp: Out-of-bounds read in safetensors loader: unvalidated data_offsets allow a tensor's byte range to extend past the end of the file

Details

stable-diffusion.cpp is a pure C/C++ library for running diffusion model (Stable Diffusion, Flux, Wan, Qwen Image, Z-Image, and more) inference. Prior to master-764-e22272e, the safetensors loader in src/model_io/safetensors_io.cpp trusts each tensor's data_offsets after checking only that nbytes equals end - begin. A crafted .safetensors file can declare a byte range beyond the file's data section, causing src/model_loader.cpp to consume an attacker-chosen length from an unchecked mapped-file offset. Loading the model can read adjacent process memory into tensor buffers or crash the process. This issue is fixed in master-764-e22272e.

Database specific

{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-125"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/70xxx/CVE-2026-70660.json"
}

References

Affected packages

Git / github.com/leejet/stable-diffusion.cpp

Affected ranges

Type

GIT

Repo

https://github.com/leejet/stable-diffusion.cpp

Events

Introduced

Fixed

e22272ee631b742dab4440c18eb8fcafb0689402

Database specific

Show details

{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "fixed": "master-764-e22272e"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StringRangeExpression"
        },
        {
            "range": [
                {
                    "fixed": "e22272ee631b742dab4440c18eb8fcafb0689402"
                }
            ],
            "source": "REFERENCES_COMMIT"
        },
        {
            "original_tag": "master-764-e22272e",
            "range": [
                {
                    "fixed": "e22272ee631b742dab4440c18eb8fcafb0689402"
                }
            ],
            "source": "REFERENCES_TAG"
        }
    ]
}

Affected versions

Other

master-004dfbe

master-0362cc4

master-036ba9e

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Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-70660.json"