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CVE-2026-9856

🗓️ 02 Aug 2026 15:10:53Reported by @huntr_aiType 
cve
 cve
🔗 web.nvd.nist.gov👁 80 Views

Path traversal in huggingface transformers <=5.8.0.dev0 allows arbitrary file writes via save_pretrained using chat_template keys from a malicious hub repository.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-9856
2 Aug 202615:10
attackerkb
cgr
Chainguard
CVE-2026-9856 vulnerabilities
7 Sep 202614:57
cgr
circl
Circl
CVE-2026-9856
2 Aug 202615:59
circl
cvelist
Cvelist
CVE-2026-9856 Path Traversal in huggingface/transformers
2 Aug 202615:10
cvelist
euvd
EUVD
EUVD-2026-52005
2 Aug 202615:10
euvd
github
Github Security Blog
Transformers save_pretrained path traversal allows arbitrary file writes through chat template names
2 Aug 202618:30
github
nvd
NVD
CVE-2026-9856
2 Aug 202616:16
nvd
osv
OSV
CGA-3QM8-7WR3-WR7X
2 Sep 202620:35
osv
osv
OSV
CGA-4Q3H-9543-63VW
2 Sep 202622:13
osv
osv
OSV
CGA-5CGX-Q9GX-H375
2 Sep 202620:36
osv
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Vulners
Node
[
  {
    "vendor": "huggingface",
    "product": "huggingface/transformers",
    "versions": [
      {
        "version": "unspecified",
        "lessThan": "5.10.0",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]

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