Vulnerability-Lookup

CVE-2026-77097 (GCVE-0-2026-77097)

Vulnerability from cvelistv5 – Published: 2026-09-08 12:12 – Updated: 2026-09-08 13:30

Title

Private Metrics Server Denial of Service

Summary

Private Metrics Server contained a missing authentication condition affecting metrics upload functionality and service availability. Software customers upgrade to resolved maintenance release. Update Private Metrics Server.

Severity

8.8 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-08 13:30 UTC

CWE

CWE-306 - Missing Authentication for Critical Function

Assigner

Commvault mitre root

References

1 reference

URL	Tags
https://documentation.commvault.com/securityadvis…

Impacted products

1 product

Vendor	Product	Version
Commvault	Commvault Cloud	Affected: 11.46.0 , ≤ 11.46.19 (custom) Affected: 11.44.0 , ≤ 11.44.19 (custom) Affected: 11.40.0 , ≤ 11.40.71 (custom) Affected: 11.36.0 , ≤ 11.36.122 (custom)

Credits

Michael Tucker and Tan Chew Keong from the XOR team at JPMorgan Chase.

Show details on NVD website

JSON

To clipboard

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                  "status": "affected",
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                      "status": "unaffected"
                    }
                  ],
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                  "status": "affected",
                  "version": "11.44.0",
                  "versionType": "custom"
                },
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                      "status": "unaffected"
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                  ],
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                  "status": "affected",
                  "version": "11.40.0",
                  "versionType": "custom"
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            }
          ],
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            {
              "lang": "en",
              "value": "Private Metrics Server contained a missing authentication condition affecting metrics upload functionality and service availability. Software customers upgrade to resolved maintenance release. Update Private Metrics Server."
            }
          ],
          "metrics": [
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            }
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}

EUVD-2026-93030

European Vulnerability Database identifier assigned by ENISA

Reserved

2026-10-03 10:55

Assigner

ENISA

Alias of

a CVE record, shown under related vulnerabilities. This identifier carries no description, severity or references of its own: they belong to that CVE.

JSON

To clipboard

{
  "assigner": "ENISA",
  "date_reserved": "2026-10-03T10:55:59.377363+00:00",
  "id": "EUVD-2026-93030"
}

FKIE_CVE-2026-77097

Vulnerability from fkie_nvd - Published: 2026-09-08 13:17 - Updated: 2026-09-11 14:20

Severity

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

Summary

References

	URL	Tags
	050066fd-a2f9-4f32-ab5d-4c53f48bc333	https://documentation.commvault.com/securityadvisories/CV_2026_08_1.html	Vendor Advisory

Impacted products

Vendor	Product	Version
commvault	commvault	*
commvault	commvault	*
commvault	commvault	*
commvault	commvault	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "platforms": [
            "Windows",
            "Linux"
          ],
          "product": "Commvault Cloud",
          "vendor": "Commvault",
          "versions": [
            {
              "changes": [
                {
                  "at": "11.46.20",
                  "status": "unaffected"
                }
              ],
              "lessThanOrEqual": "11.46.19",
              "status": "affected",
              "version": "11.46.0",
              "versionType": "custom"
            },
            {
              "changes": [
                {
                  "at": "11.44.20",
                  "status": "unaffected"
                }
              ],
              "lessThanOrEqual": "11.44.19",
              "status": "affected",
              "version": "11.44.0",
              "versionType": "custom"
            },
            {
              "changes": [
                {
                  "at": "11.40.72",
                  "status": "unaffected"
                }
              ],
              "lessThanOrEqual": "11.40.71",
              "status": "affected",
              "version": "11.40.0",
              "versionType": "custom"
            },
            {
              "changes": [
                {
                  "at": "11.36.123",
                  "status": "unaffected"
                }
              ],
              "lessThanOrEqual": "11.36.122",
              "status": "affected",
              "version": "11.36.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "050066fd-a2f9-4f32-ab5d-4c53f48bc333"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:commvault:commvault:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "7D5E9F88-DDA2-4F7E-96C8-63CE8AACF381",
              "versionEndExcluding": "11.36.123",
              "versionStartIncluding": "11.36.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:commvault:commvault:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F195D789-6414-4A1F-B6B2-E21035032D0A",
              "versionEndExcluding": "11.40.72",
              "versionStartIncluding": "11.40.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:commvault:commvault:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "43942B05-3043-419D-BE53-4BC30CECB734",
              "versionEndExcluding": "11.44.20",
              "versionStartIncluding": "11.44.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:commvault:commvault:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1D16402F-8EBF-42ED-BC4A-8053736561D4",
              "versionEndExcluding": "11.46.20",
              "versionStartIncluding": "11.46.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Private Metrics Server contained a missing authentication condition affecting metrics upload functionality and service availability. Software customers upgrade to resolved maintenance release. Update Private Metrics Server."
    }
  ],
  "id": "CVE-2026-77097",
  "lastModified": "2026-09-11T14:20:07.420",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.8,
          "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": "NONE",
          "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:N/UI:N/VC:N/VI:L/VA:H/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": "HIGH",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "050066fd-a2f9-4f32-ab5d-4c53f48bc333",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-77097",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-08T13:30:12.896266Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-09-08T13:17:25.610",
  "references": [
    {
      "source": "050066fd-a2f9-4f32-ab5d-4c53f48bc333",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://documentation.commvault.com/securityadvisories/CV_2026_08_1.html"
    }
  ],
  "sourceIdentifier": "050066fd-a2f9-4f32-ab5d-4c53f48bc333",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}

GHSA-WXG5-WF9R-P36G

Vulnerability from github – Published: 2026-09-08 15:31 – Updated: 2026-09-11 15:32

Details

Severity

8.2 (High)


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

8.8 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-77097"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-306"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-08T13:17:25Z",
    "severity": "HIGH"
  },
  "details": "Private Metrics Server contained a missing authentication condition affecting metrics upload functionality and service availability. Software customers upgrade to resolved maintenance release. Update Private Metrics Server.",
  "id": "GHSA-wxg5-wf9r-p36g",
  "modified": "2026-09-11T15:32:27Z",
  "published": "2026-09-08T15:31:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-77097"
    },
    {
      "type": "WEB",
      "url": "https://documentation.commvault.com/securityadvisories/CV_2026_08_1.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/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-2026-77097 (GCVE-0-2026-77097)

EUVD-2026-93030

FKIE_CVE-2026-77097

GHSA-WXG5-WF9R-P36G

Tags

Sightings

Nomenclature

Related by attack behaviour