Vulnerability-Lookup

CVE-2026-97665 (GCVE-0-2026-97665)

Vulnerability from cvelistv5 – Published: 2026-10-15 15:34 – Updated: 2026-10-15 16:11

Title

Nexus Repository 3 - Missing Authorization on NuGet Symbol Package Upload

Summary

A missing authorization check in Nexus Repository 3's NuGet Components API upload path allows an account holding only repository read and browse privileges to upload and persist NuGet symbol packages (.snupkg) to a hosted repository, bypassing the write-permission check enforced for ordinary package uploads. Exploitation requires a hosted NuGet repository with Symbol Server enabled. If anonymous access is enabled, the built-in anonymous user holds read and browse privileges across all repositories by default, so this precondition can also be met without an authenticated account.

Severity

7.1 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-10-15 16:11 UTC

CWE

CWE-862 - Missing Authorization

Assigner

Sonatype CNA under the mitre root

CNA scorecard B 90/100 over 30 records in the last 180 days details

References

2 references

URL	Tags
https://help.sonatype.com/en/sonatype-nexus-repos…	patch
https://support.sonatype.com/hc/en-us/articles/55…	vendor-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
Sonatype	Nexus Repository 3	Affected: 3.95.0 , < 3.97.0 (semver) cpe:2.3:a:sonatype:nexus_repository_manager:3.95.0:::::::* cpe:2.3:a:sonatype:nexus_repository_manager:3.95.1:::::::* cpe:2.3:a:sonatype:nexus_repository_manager:3.95.2:::::::* cpe:2.3:a:sonatype:nexus_repository_manager:3.95.3:::::::* cpe:2.3:a:sonatype:nexus_repository_manager:3.95.4:::::::* cpe:2.3:a:sonatype:nexus_repository_manager:3.96.0:::::::* cpe:2.3:a:sonatype:nexus_repository_manager:3.96.1:::::::* cpe:2.3:a:sonatype:nexus_repository_manager:3.96.2:::::::* cpe:2.3:a:sonatype:nexus_repository_manager:3.96.3:::::::*

Credits

wupco123

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-97665

Vulnerability from fkie_nvd - Published: 2026-10-15 16:18 - Updated: 2026-10-16 19:55

Severity

7.1 (High) - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N

Summary

References

	URL	Tags
	103e4ec9-0a87-450b-af77-479448ddef11	https://help.sonatype.com/en/sonatype-nexus-repository-3-97-0-release-notes.html
	103e4ec9-0a87-450b-af77-479448ddef11	https://support.sonatype.com/hc/en-us/articles/55793090807827/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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    {
      "lang": "en",
      "value": "A missing authorization check in Nexus Repository 3\u0027s NuGet Components API upload path allows an account holding only repository read and browse privileges to upload and persist NuGet symbol packages (.snupkg) to a hosted repository, bypassing the write-permission check enforced for ordinary package uploads. Exploitation requires a hosted NuGet repository with Symbol Server enabled. If anonymous access is enabled, the built-in anonymous user holds read and browse privileges across all repositories by default, so this precondition can also be met without an authenticated account."
    }
  ],
  "id": "CVE-2026-97665",
  "lastModified": "2026-10-16T19:55:59.740",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "LOW",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "103e4ec9-0a87-450b-af77-479448ddef11",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-97665",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-10-15T16:11:27.450391Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-10-15T16:18:25.490",
  "references": [
    {
      "source": "103e4ec9-0a87-450b-af77-479448ddef11",
      "url": "https://help.sonatype.com/en/sonatype-nexus-repository-3-97-0-release-notes.html"
    },
    {
      "source": "103e4ec9-0a87-450b-af77-479448ddef11",
      "url": "https://support.sonatype.com/hc/en-us/articles/55793090807827/"
    }
  ],
  "sourceIdentifier": "103e4ec9-0a87-450b-af77-479448ddef11",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-862"
        }
      ],
      "source": "103e4ec9-0a87-450b-af77-479448ddef11",
      "type": "Secondary"
    }
  ]
}

GHSA-G4QG-94XM-4CX6

Vulnerability from github – Published: 2026-10-15 18:32 – Updated: 2026-10-15 18:32

Details

Severity

7.1 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-97665"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-10-15T16:18:25Z",
    "severity": "HIGH"
  },
  "details": "A missing authorization check in Nexus Repository 3\u0027s NuGet Components API upload path allows an account holding only repository read and browse privileges to upload and persist NuGet symbol packages (.snupkg) to a hosted repository, bypassing the write-permission check enforced for ordinary package uploads. Exploitation requires a hosted NuGet repository with Symbol Server enabled. If anonymous access is enabled, the built-in anonymous user holds read and browse privileges across all repositories by default, so this precondition can also be met without an authenticated account.",
  "id": "GHSA-g4qg-94xm-4cx6",
  "modified": "2026-10-15T18:32:39Z",
  "published": "2026-10-15T18:32:39Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-97665"
    },
    {
      "type": "WEB",
      "url": "https://help.sonatype.com/en/sonatype-nexus-repository-3-97-0-release-notes.html"
    },
    {
      "type": "WEB",
      "url": "https://support.sonatype.com/hc/en-us/articles/55793090807827"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/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

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Nomenclature

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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.

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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.
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CVE-2026-97665 (GCVE-0-2026-97665)

FKIE_CVE-2026-97665

GHSA-G4QG-94XM-4CX6

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