Vulnerability-Lookup

CVE-2026-85668 (GCVE-0-2026-85668)

Vulnerability from cvelistv5 – Published: 2026-09-04 14:32 – Updated: 2026-09-04 15:20

Title

Xinference 3.3.0 Unauthenticated Arbitrary-Path File Read via /v1/models/llm/auto-register

Summary

Xinference (affected commit 4a94832, v3.x) contains an unauthenticated arbitrary-path file read vulnerability in the POST /v1/models/llm/auto-register endpoint, which accepts a caller-supplied model_path parameter without authentication or path confinement. The endpoint reads and parses config.json, tokenizer_config.json, and chat_template.jinja files at the supplied path and reflects the parsed content back to the caller, allowing an unauthenticated attacker to probe the server filesystem and extract content of files with those names in any directory.

Severity

8.7 (High)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC

Exploitation: poc Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-04 15:20 UTC

CWE

CWE-73 - External Control of File Name or Path

Assigner

VulnCheck mitre root

References

4 references

URL	Tags
https://github.com/xorbitsai/inference/issues/5176	issue-tracking
https://github.com/xorbitsai/inference	product
https://github.com/xorbitsai/inference/blob/v3.3.…	technical-description
https://www.vulncheck.com/advisories/xinference-3…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
xorbitsai	inference	Affected: 0 , ≤ 3.3.0 (semver)	guessed

Date Public

2026-07-13 00:00

Credits

George Chen

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-85668

Vulnerability from fkie_nvd - Published: 2026-09-04 15:17 - Updated: 2026-09-04 16:18

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Summary

References

	URL	Tags
	disclosure@vulncheck.com	https://github.com/xorbitsai/inference
	disclosure@vulncheck.com	https://github.com/xorbitsai/inference/blob/v3.3.0/xinference/model/llm/config_parser.py
	disclosure@vulncheck.com	https://github.com/xorbitsai/inference/issues/5176
	disclosure@vulncheck.com	https://www.vulncheck.com/advisories/xinference-3.3.0-unauthenticated-arbitrary-path-file-read-via-v1-models-llm-auto-register
	134c704f-9b21-4f2e-91b3-4a467353bcc0	https://github.com/xorbitsai/inference/issues/5176

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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  ]
}

GHSA-XHF8-Q5PF-VP28

Vulnerability from github – Published: 2026-09-04 15:36 – Updated: 2026-09-04 15:36

Details

Severity

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

8.7 (High)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

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{
  "affected": [],
  "aliases": [
    "CVE-2026-85668"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-73"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-04T15:17:44Z",
    "severity": "HIGH"
  },
  "details": "Xinference (affected commit 4a94832, v3.x) contains an unauthenticated arbitrary-path file read vulnerability in the POST /v1/models/llm/auto-register endpoint, which accepts a caller-supplied model_path parameter without authentication or path confinement. The endpoint reads and parses config.json, tokenizer_config.json, and chat_template.jinja files at the supplied path and reflects the parsed content back to the caller, allowing an unauthenticated attacker to probe the server filesystem and extract content of files with those names in any directory.",
  "id": "GHSA-xhf8-q5pf-vp28",
  "modified": "2026-09-04T15:36:15Z",
  "published": "2026-09-04T15:36:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-85668"
    },
    {
      "type": "WEB",
      "url": "https://github.com/xorbitsai/inference/issues/5176"
    },
    {
      "type": "WEB",
      "url": "https://github.com/xorbitsai/inference"
    },
    {
      "type": "WEB",
      "url": "https://github.com/xorbitsai/inference/blob/v3.3.0/xinference/model/llm/config_parser.py"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/xinference-3.3.0-unauthenticated-arbitrary-path-file-read-via-v1-models-llm-auto-register"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-85668 (GCVE-0-2026-85668)

FKIE_CVE-2026-85668

GHSA-XHF8-Q5PF-VP28

Tags

Sightings

Nomenclature