CVE-2026-77103 (GCVE-0-2026-77103)
Vulnerability from cvelistv5
Published
2026-09-08 12:12
Modified
2026-09-08 13:25
Summary
CommServe contained an authentication bypass issue affecting access authorization and information disclosure. Software customers upgrade to resolved maintenance release. Update CommServe.
Impacted products
Vendor Product Version
Commvault Commvault Cloud Version: 11.46.0   <
Version: 11.44.0   <
Version: 11.40.0   <
Version: 11.36.0   <
Create a notification for this product.
Show details on NVD website


{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-77103",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-08T13:23:49.319206Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-288",
                "description": "CWE-288 Authentication Bypass Using an Alternate Path or Channel",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-09-08T13:25:38.622Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "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"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "reporter",
          "value": "Michael Tucker and Tan Chew Keong from the XOR team at JPMorgan Chase."
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "CommServe contained an authentication bypass issue affecting access authorization and information disclosure. Software customers upgrade to resolved maintenance release. Update CommServe."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "baseScore": 8.7,
            "baseSeverity": "HIGH",
            "vectorString": "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",
            "version": "4.0"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "CWE-288: Authentication Bypass Using an Alternate Path or Channel",
              "lang": "en"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-09-08T12:12:54.437Z",
        "orgId": "050066fd-a2f9-4f32-ab5d-4c53f48bc333",
        "shortName": "Commvault"
      },
      "references": [
        {
          "url": "https://documentation.commvault.com/securityadvisories/CV_2026_08_5.html"
        }
      ],
      "title": "CommServe Information Disclosure"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "050066fd-a2f9-4f32-ab5d-4c53f48bc333",
    "assignerShortName": "Commvault",
    "cveId": "CVE-2026-77103",
    "datePublished": "2026-09-08T12:12:54.437Z",
    "dateReserved": "2026-08-20T10:57:52.110Z",
    "dateUpdated": "2026-09-08T13:25:38.622Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-77103\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-09-08T13:23:49.319206Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-288\", \"description\": \"CWE-288 Authentication Bypass Using an Alternate Path or Channel\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-09-08T13:25:35.362Z\"}}], \"cna\": {\"title\": \"CommServe Information Disclosure\", \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"Michael Tucker and Tan Chew Keong from the XOR team at JPMorgan Chase.\"}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 8.7, \"baseSeverity\": \"HIGH\", \"vectorString\": \"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\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"Commvault\", \"product\": \"Commvault Cloud\", \"versions\": [{\"status\": \"affected\", \"changes\": [{\"at\": \"11.46.20\", \"status\": \"unaffected\"}], \"version\": \"11.46.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"11.46.19\"}, {\"status\": \"affected\", \"changes\": [{\"at\": \"11.44.20\", \"status\": \"unaffected\"}], \"version\": \"11.44.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"11.44.19\"}, {\"status\": \"affected\", \"changes\": [{\"at\": \"11.40.72\", \"status\": \"unaffected\"}], \"version\": \"11.40.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"11.40.71\"}, {\"status\": \"affected\", \"changes\": [{\"at\": \"11.36.123\", \"status\": \"unaffected\"}], \"version\": \"11.36.0\", \"versionType\": \"custom\", \"lessThanOrEqual\": \"11.36.122\"}], \"platforms\": [\"Windows\", \"Linux\"], \"defaultStatus\": \"unknown\"}], \"references\": [{\"url\": \"https://documentation.commvault.com/securityadvisories/CV_2026_08_5.html\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"CommServe contained an authentication bypass issue affecting access authorization and information disclosure. Software customers upgrade to resolved maintenance release. Update CommServe.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"description\": \"CWE-288: Authentication Bypass Using an Alternate Path or Channel\"}]}], \"providerMetadata\": {\"orgId\": \"050066fd-a2f9-4f32-ab5d-4c53f48bc333\", \"shortName\": \"Commvault\", \"dateUpdated\": \"2026-09-08T12:12:54.437Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-77103\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-09-08T13:25:38.622Z\", \"dateReserved\": \"2026-08-20T10:57:52.110Z\", \"assignerOrgId\": \"050066fd-a2f9-4f32-ab5d-4c53f48bc333\", \"datePublished\": \"2026-09-08T12:12:54.437Z\", \"assignerShortName\": \"Commvault\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


Loading…

Loading…