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Hugging Face Transformers CVE-2026-75104

| EUVDEUVD-2026-60384 MEDIUM
Path Traversal (CWE-22)
2026-08-17 VulnCheck GHSA-fv5v-hfxp-5379
6.8
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
6.8 MEDIUM
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
5.5 MEDIUM

Local attack vector and required user interaction (loading a checkpoint) confirmed by description; no privileges needed from attacker; confidentiality-only impact with no integrity or availability effect.

3.1 AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
4.0 AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
P
Scope
X

Lifecycle Timeline

2
Analysis Generated
Aug 17, 2026 - 21:14 vuln.today
CVE Published
Aug 17, 2026 - 20:36 cve.org
MEDIUM 6.8

DescriptionCVE.org

Hugging Face Transformers fails to validate shard filenames in checkpoint index files, allowing attackers to read arbitrary files outside the model directory. Attackers can supply malicious index files with parent-directory references or absolute paths that are joined without validation, enabling file disclosure and filesystem reconnaissance.

AnalysisAI

Arbitrary file read in Hugging Face Transformers allows an attacker who controls a model checkpoint index file to exfiltrate files from the host filesystem outside the intended model directory. The library fails to sanitize shard filenames in checkpoint index files before joining them to directory paths, meaning maliciously crafted entries containing parent-directory sequences or absolute paths resolve to unintended locations. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires that a victim uses the Hugging Face Transformers library to load a checkpoint whose index file was supplied or influenced by the attacker - either by downloading a malicious model from the Hub, receiving an archive from an untrusted source, or processing user-submitted model uploads in an application. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector (AV:L/AC:L/AT:N/PR:N/UI:P/VC:H) assigns high confidentiality impact but scopes the attack as local with user interaction required, reflecting that the attacker must deliver a malicious checkpoint that the victim actively loads rather than exploiting a remotely reachable network service. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation No vendor-released patch with a confirmed fixed version was identified at time of analysis. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-75104 vulnerability details – vuln.today

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