Vulnerability-Lookup

CVE-2026-75480 (GCVE-0-2026-75480)

Vulnerability from cvelistv5 – Published: 2026-08-17 20:36 – Updated: 2026-08-18 15:17

Title

OpenViking Debug Vector Endpoints Multi-tenant Data Exposure

Summary

OpenViking debug vector scroll and count endpoints apply only account-level scoping without user-level access controls, allowing authenticated users to read all co-tenant records. Attackers can query these endpoints to retrieve private memories, resources, skills, and secret material belonging to other users in the same account without administrative privileges.

Severity

7.1 (High)


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

6.5 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-18 15:16 UTC

CWE

CWE-863 - Incorrect Authorization

Assigner

VulnCheck mitre root

References

4 references

URL	Tags
https://github.com/volcengine/OpenViking/issues/3724	issue-tracking
https://github.com/volcengine/OpenViking	product
https://github.com/volcengine/OpenViking/blob/mai…	technical-description
https://www.vulncheck.com/advisories/openviking-d…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
volcengine	OpenViking	Affected: 0 , ≤ 0.4.14 (custom) cpe:2.3:a:volcengine:openviking::::::::

Date Public

2026-08-04 00:00

Credits

George Chen

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-75480

Vulnerability from fkie_nvd - Published: 2026-08-17 21:16 - Updated: 2026-08-18 16:18

Severity

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

Summary

References

	URL	Tags
	disclosure@vulncheck.com	https://github.com/volcengine/OpenViking
	disclosure@vulncheck.com	https://github.com/volcengine/OpenViking/blob/main/openviking/storage/viking_vector_index_backend.py
	disclosure@vulncheck.com	https://github.com/volcengine/OpenViking/issues/3724
	disclosure@vulncheck.com	https://www.vulncheck.com/advisories/openviking-debug-vector-endpoints-multi-tenant-data-exposure

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:pypi/openviking",
          "product": "OpenViking",
          "repo": "https://github.com/volcengine/OpenViking",
          "vendor": "volcengine",
          "versions": [
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              "lessThanOrEqual": "0.4.14",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
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        }
      ],
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  ],
  "cveTags": [],
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      "lang": "en",
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    }
  ],
  "id": "CVE-2026-75480",
  "lastModified": "2026-08-18T16:18:20.507",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
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        "exploitabilityScore": 2.8,
        "impactScore": 3.6,
        "source": "disclosure@vulncheck.com",
        "type": "Secondary"
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    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
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          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
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          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
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          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
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          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
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          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "NONE",
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        "type": "Secondary"
      }
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    "ssvcV203": [
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          "options": [
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  "published": "2026-08-17T21:16:50.477",
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      "source": "disclosure@vulncheck.com",
      "url": "https://github.com/volcengine/OpenViking"
    },
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      "source": "disclosure@vulncheck.com",
      "url": "https://github.com/volcengine/OpenViking/blob/main/openviking/storage/viking_vector_index_backend.py"
    },
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      "url": "https://github.com/volcengine/OpenViking/issues/3724"
    },
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      "source": "disclosure@vulncheck.com",
      "url": "https://www.vulncheck.com/advisories/openviking-debug-vector-endpoints-multi-tenant-data-exposure"
    }
  ],
  "sourceIdentifier": "disclosure@vulncheck.com",
  "vulnStatus": "Received",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
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}

GHSA-GPQQ-QX8W-X7GH

Vulnerability from github – Published: 2026-08-17 21:31 – Updated: 2026-08-17 21:31

Details

Severity

6.5 (Medium)


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

7.1 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-75480"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-17T21:16:50Z",
    "severity": "HIGH"
  },
  "details": "OpenViking debug vector scroll and count endpoints apply only account-level scoping without user-level access controls, allowing authenticated users to read all co-tenant records. Attackers can query these endpoints to retrieve private memories, resources, skills, and secret material belonging to other users in the same account without administrative privileges.",
  "id": "GHSA-gpqq-qx8w-x7gh",
  "modified": "2026-08-17T21:31:27Z",
  "published": "2026-08-17T21:31:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-75480"
    },
    {
      "type": "WEB",
      "url": "https://github.com/volcengine/OpenViking/issues/3724"
    },
    {
      "type": "WEB",
      "url": "https://github.com/volcengine/OpenViking"
    },
    {
      "type": "WEB",
      "url": "https://github.com/volcengine/OpenViking/blob/main/openviking/storage/viking_vector_index_backend.py"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/openviking-debug-vector-endpoints-multi-tenant-data-exposure"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-75480 (GCVE-0-2026-75480)

FKIE_CVE-2026-75480

GHSA-GPQQ-QX8W-X7GH

Tags

Sightings

Nomenclature

Related by attack behaviour