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CVE-2026-68770— sentence-transformers Arbitrary Code Execution on Local Model Load Despite trust_remote_code=False

CVSS 9.8 · Critical EPSS 0.52% · P41

Affected Version Matrix 1

VendorProductVersion RangeStatus
Hugging Facesentence-transformers≤ 5.5.1affected
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I. Basic Information for CVE-2026-68770

Vulnerability Information
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Vulnerability Title
sentence-transformers Arbitrary Code Execution on Local Model Load Despite trust_remote_code=False
Source: CVE Program / CVE List V5
Vulnerability Description
sentence-transformers contains a security control bypass vulnerability that allows attackers to achieve arbitrary code execution by exploiting a logic flaw in the import_module_class helper within sentence_transformers/util/misc.py, where the guard condition includes an 'or os.path.exists(model_name_or_path)' clause that satisfies the trust gate whenever the supplied path exists on the local filesystem, regardless of the trust_remote_code=False argument. Attackers who can control or influence the contents of a model directory on disk can place malicious Python files such as modeling_*.py referenced via modules.json, causing the code to execute at import time when an application loads the model with SentenceTransformer(path, trust_remote_code=False), bypassing the documented security contract and achieving code execution within the loading process.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5

Affected Products

VendorProductAffected VersionsCPESubscribe
Hugging Facesentence-transformers 0 ~ 5.5.1 -

II. Public POCs for CVE-2026-68770

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 7889 chars
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III. Intelligence Information for CVE-2026-68770

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Patches & Fixes for CVE-2026-68770 (2)

Vendor Advisories for CVE-2026-68770 (1)

Other References for CVE-2026-68770 (2)

IV. Related Vulnerabilities

Same vendor: Hugging Face
Same weakness: CWE-94

V. Comments for CVE-2026-68770

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