github - ghsa-cw7q-5cgc-h3h9

ghsa-cw7q-5cgc-h3h9

Vulnerability from github

Published

2025-03-21 09:30

Modified

2025-03-21 22:38

Severity ?

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

Summary

Mattermost fail to prompt for explicit approval before adding a team admin to a private channel

Details

Mattermost versions 9.11.x <= 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team admins to joining private channels via crafted permalink links without explicit consent from them.

Show details on source website

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost/server/v8"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.11.0"
            },
            {
              "fixed": "9.11.9"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-27715"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-03-21T22:38:08Z",
    "nvd_published_at": "2025-03-21T09:15:13Z",
    "severity": "LOW"
  },
  "details": "Mattermost versions 9.11.x \u003c= 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team admins to joining private channels via crafted permalink links without explicit consent from them.",
  "id": "GHSA-cw7q-5cgc-h3h9",
  "modified": "2025-03-21T22:38:09Z",
  "published": "2025-03-21T09:30:35Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-27715"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/mattermost/mattermost"
    },
    {
      "type": "WEB",
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Mattermost fail to prompt for explicit approval before adding a team admin to a private channel"
}

CVE-2025-27715 (GCVE-0-2025-27715)

Vulnerability from cvelistv5

Published

2025-03-21 08:22

Modified

2025-03-21 13:35

Severity ?

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

CWE

CWE-863 - Incorrect Authorization

Summary

Mattermost versions 9.11.x <= 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team admins to joining private channels via crafted permalink links without explicit consent from them.

References

URL

Tags

https://mattermost.com/security-updates

Impacted products

	Vendor	Product	Version
	Mattermost	Mattermost	Version: 9.11.0 ≤ 9.11.8

Show details on NVD website

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-27715",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-21T13:34:00.840353Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-21T13:35:01.832Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Mattermost",
          "vendor": "Mattermost",
          "versions": [
            {
              "lessThanOrEqual": "9.11.8",
              "status": "affected",
              "version": "9.11.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "10.5.0"
            },
            {
              "status": "unaffected",
              "version": "9.11.9"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Joram Wilander"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eMattermost versions 9.11.x \u0026lt;= 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team admins to joining private channels via crafted permalink links without explicit consent from them.\u0026nbsp;\u003c/p\u003e"
            }
          ],
          "value": "Mattermost versions 9.11.x \u003c= 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team admins to joining private channels via crafted permalink links without explicit consent from them."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-863",
              "description": "CWE-863: Incorrect Authorization",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-03-21T08:22:25.321Z",
        "orgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee",
        "shortName": "Mattermost"
      },
      "references": [
        {
          "url": "https://mattermost.com/security-updates"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003eUpdate Mattermost to versions 10.5.0, 9.11.9 or higher.\u003c/p\u003e"
            }
          ],
          "value": "Update Mattermost to versions 10.5.0, 9.11.9 or higher."
        }
      ],
      "source": {
        "advisory": "MMSA-2024-00409",
        "defect": [
          "https://mattermost.atlassian.net/browse/MM-61846"
        ],
        "discovery": "INTERNAL"
      },
      "title": "Auto-Enrollment of Team Admins into Private Channels without explicit consent",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9302f53e-dde5-4bf3-b2f2-a83f91ac0eee",
    "assignerShortName": "Mattermost",
    "cveId": "CVE-2025-27715",
    "datePublished": "2025-03-21T08:22:25.321Z",
    "dateReserved": "2025-03-20T08:20:28.097Z",
    "dateUpdated": "2025-03-21T13:35:01.832Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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