Severity by source
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
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.
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
Lifecycle Timeline
2DescriptionCVE.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
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. |
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-60384
GHSA-fv5v-hfxp-5379