Vulnerability-Lookup

CVE-2025-3446 (GCVE-0-2025-3446)

Vulnerability from cvelistv5 – Published: 2025-05-15 10:43 – Updated: 2025-05-15 13:41

Title

Members Without Guest Invite Permissions Can Add Guests to Teams

Summary

Mattermost versions 10.6.x <= 10.6.1, 10.5.x <= 10.5.2, 10.4.x <= 10.4.4, 9.11.x <= 9.11.11 fail to check the correct permissions which allows authenticated users who only have permission to invite non-guest users to a team to add guest users to that team via the API to add a single user to a team.

Severity

4.3 (Medium)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-05-15 13:39 UTC

CWE

CWE-863 - Incorrect Authorization

Assigner

Mattermost mitre root

References

1 reference

URL	Tags
https://mattermost.com/security-updates

Impacted products

1 product

Vendor	Product	Version	CPE status
Mattermost	Mattermost	Affected: 10.6.0 , ≤ 10.6.1 (semver) Affected: 10.5.0 , ≤ 10.5.2 (semver) Affected: 10.4.0 , ≤ 10.4.4 (semver) Affected: 9.11.0 , ≤ 9.11.11 (semver) Unaffected: 10.7.0 Unaffected: 10.6.2 Unaffected: 10.5.3 Unaffected: 10.4.5 Unaffected: 9.11.12	guessed

Credits

0x7oda7123

Show details on NVD website

JSON

To clipboard

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}

CERTFR-2025-AVI-0413

Vulnerability from certfr_avis - Published: - Updated:

De multiples vulnérabilités ont été découvertes dans Mattermost Server. Elles permettent à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

Vendor	Product	Description
Mattermost	Mattermost Server	Mattermost Server versions 10.5.x antérieures à 10.5.3
Mattermost	Mattermost Server	Mattermost Server versions 10.4.x antérieures à 10.4.5
Mattermost	Mattermost Server	Mattermost Server versions 10.6.x antérieures à 10.6.2
Mattermost	Mattermost Server	Mattermost Server versions 9.11.x antérieures à 9.11.12

References

Title

Publication Time

CERTFR-2025-AVI-0413

Vulnerability from certfr_avis - Published: - Updated:

De multiples vulnérabilités ont été découvertes dans Mattermost Server. Elles permettent à un attaquant de provoquer un problème de sécurité non spécifié par l'éditeur.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

Vendor	Product	Description
Mattermost	Mattermost Server	Mattermost Server versions 10.5.x antérieures à 10.5.3
Mattermost	Mattermost Server	Mattermost Server versions 10.4.x antérieures à 10.4.5
Mattermost	Mattermost Server	Mattermost Server versions 10.6.x antérieures à 10.6.2
Mattermost	Mattermost Server	Mattermost Server versions 9.11.x antérieures à 9.11.12

References

Title

Publication Time

CNVD-2025-12800

Vulnerability from cnvd - Published: 2025-06-18

Title

Mattermost权限问题漏洞

Description

Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost存在权限问题漏洞，该漏洞源于权限验证不足，攻击者可利用该漏洞通过API添加访客用户。

Severity

中

Patch Name

Mattermost权限问题漏洞的补丁

Patch Description

Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost存在权限问题漏洞，该漏洞源于权限验证不足，攻击者可利用该漏洞通过API添加访客用户。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级程序修复该安全问题，详情见厂商官网： https://mattermost.com/download/

Reference

https://mattermost.com/security-updates

Impacted products

Name
['Mattermost Mattermost >=10.5.x，<=10.5.2', 'Mattermost Mattermost >=9.11.x，<=9.11.11', 'Mattermost Mattermost >=10.6.x，<=10.6.1', 'Mattermost Mattermost >=10.4.x，<=10.4.4']

Show details on source website

JSON

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-3446",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-3446"
    }
  },
  "description": "Mattermost\u662f\u7f8e\u56fdMattermost\u516c\u53f8\u7684\u4e00\u4e2a\u5f00\u6e90\u534f\u4f5c\u5e73\u53f0\u3002\n\nMattermost\u5b58\u5728\u6743\u9650\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6743\u9650\u9a8c\u8bc1\u4e0d\u8db3\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7API\u6dfb\u52a0\u8bbf\u5ba2\u7528\u6237\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51\uff1a\r\nhttps://mattermost.com/download/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-12800",
  "openTime": "2025-06-18",
  "patchDescription": "Mattermost\u662f\u7f8e\u56fdMattermost\u516c\u53f8\u7684\u4e00\u4e2a\u5f00\u6e90\u534f\u4f5c\u5e73\u53f0\u3002\r\n\r\nMattermost\u5b58\u5728\u6743\u9650\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6743\u9650\u9a8c\u8bc1\u4e0d\u8db3\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7API\u6dfb\u52a0\u8bbf\u5ba2\u7528\u6237\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Mattermost\u6743\u9650\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Mattermost Mattermost \u003e=10.5.x\uff0c\u003c=10.5.2",
      "Mattermost Mattermost \u003e=9.11.x\uff0c\u003c=9.11.11",
      "Mattermost Mattermost \u003e=10.6.x\uff0c\u003c=10.6.1",
      "Mattermost Mattermost \u003e=10.4.x\uff0c\u003c=10.4.4"
    ]
  },
  "referenceLink": "https://mattermost.com/security-updates",
  "serverity": "\u4e2d",
  "submitTime": "2025-05-20",
  "title": "Mattermost\u6743\u9650\u95ee\u9898\u6f0f\u6d1e"
}

FKIE_CVE-2025-3446

Vulnerability from fkie_nvd - Published: 2025-05-15 11:15 - Updated: 2026-06-17 09:19

Severity

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

Summary

References

	URL	Tags
	responsibledisclosure@mattermost.com	https://mattermost.com/security-updates	Vendor Advisory

Impacted products

Vendor	Product	Version
mattermost	mattermost_server	*
mattermost	mattermost_server	*
mattermost	mattermost_server	*
mattermost	mattermost_server	*

JSON

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{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Mattermost",
          "vendor": "Mattermost",
          "versions": [
            {
              "lessThanOrEqual": "10.6.1",
              "status": "affected",
              "version": "10.6.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "10.5.2",
              "status": "affected",
              "version": "10.5.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "10.4.4",
              "status": "affected",
              "version": "10.4.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "9.11.11",
              "status": "affected",
              "version": "9.11.0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "10.7.0"
            },
            {
              "status": "unaffected",
              "version": "10.6.2"
            },
            {
              "status": "unaffected",
              "version": "10.5.3"
            },
            {
              "status": "unaffected",
              "version": "10.4.5"
            },
            {
              "status": "unaffected",
              "version": "9.11.12"
            }
          ]
        }
      ],
      "source": "responsibledisclosure@mattermost.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "72BC2D9B-C2F6-44F4-940B-64A491146D3E",
              "versionEndExcluding": "9.11.12",
              "versionStartIncluding": "9.11.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C9363A18-2E7A-42C9-A488-44B7EDBF9116",
              "versionEndExcluding": "10.4.5",
              "versionStartIncluding": "10.4.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BCCBD535-38E4-47C5-B166-8B4AAA3B05C6",
              "versionEndExcluding": "10.5.3",
              "versionStartIncluding": "10.5.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A4DDF086-F2C6-4F08-9930-AC606471B9B0",
              "versionEndExcluding": "10.6.2",
              "versionStartIncluding": "10.6.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Mattermost versions 10.6.x \u003c= 10.6.1, 10.5.x \u003c= 10.5.2, 10.4.x \u003c= 10.4.4, 9.11.x \u003c= 9.11.11 fail to check the correct permissions which allows authenticated users who only have permission to invite non-guest users to a team to add guest users to that team via the API to add a single user to a team."
    },
    {
      "lang": "es",
      "value": "Las versiones de Mattermost 10.6.x \u0026lt;= 10.6.1, 10.5.x \u0026lt;= 10.5.2, 10.4.x \u0026lt;= 10.4.4, 9.11.x \u0026lt;= 9.11.11 no verifican los permisos correctos, lo que permite que los usuarios autenticados que solo tienen permiso para invitar a usuarios que no son invitados a un equipo agreguen usuarios invitados a ese equipo a trav\u00e9s de la API para agregar un solo usuario a un equipo."
    }
  ],
  "id": "CVE-2025-3446",
  "lastModified": "2026-06-17T09:19:58.253",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "responsibledisclosure@mattermost.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-3446",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-05-15T13:39:18.303091Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-05-15T11:15:48.777",
  "references": [
    {
      "source": "responsibledisclosure@mattermost.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://mattermost.com/security-updates"
    }
  ],
  "sourceIdentifier": "responsibledisclosure@mattermost.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-863"
        }
      ],
      "source": "responsibledisclosure@mattermost.com",
      "type": "Secondary"
    }
  ]
}

GHSA-R7R2-M3VR-C8QC

Vulnerability from github – Published: 2025-05-15 12:30 – Updated: 2025-05-17 14:02

Summary

Mattermost Fails to Validate Team Invite Permissions

Details

Severity

4.3 (Medium)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 10.6.1"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost/server/v8"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.6.0"
            },
            {
              "fixed": "10.6.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 10.5.2"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost/server/v8"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.5.0"
            },
            {
              "fixed": "10.5.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 10.4.4"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost/server/v8"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "10.4.0"
            },
            {
              "fixed": "10.4.5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 9.11.11"
      },
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost/server/v8"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.11.0"
            },
            {
              "fixed": "9.11.12"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/mattermost/mattermost/server/v8"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "8.0.0-20250415054241-76ab3867b785"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-3446"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-05-17T14:02:03Z",
    "nvd_published_at": "2025-05-15T11:15:48Z",
    "severity": "MODERATE"
  },
  "details": "Mattermost versions 10.6.x \u003c= 10.6.1, 10.5.x \u003c= 10.5.2, 10.4.x \u003c= 10.4.4, 9.11.x \u003c= 9.11.11 fail to check the correct permissions which allows authenticated users who only have permission to invite non-guest users to a team to add guest users to that team via the API to add a single user to a team.",
  "id": "GHSA-r7r2-m3vr-c8qc",
  "modified": "2025-05-17T14:02:03Z",
  "published": "2025-05-15T12:30:27Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-3446"
    },
    {
      "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:L/PR:L/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Mattermost Fails to Validate Team Invite Permissions"
}

OPENSUSE-SU-2025:15159-1

Vulnerability from csaf_opensuse - Published: 2025-05-26 00:00 - Updated: 2026-09-20 21:34

Summary

govulncheck-vulndb-0.0.20250523T151856-1.1 on GA media

Severity

Moderate

Scope

14 vulnerabilities in this advisory, including CVE-2025-3446.

CVE-2025-3446

Recommended: 4 products

Open the full advisory

WID-SEC-W-2025-0830

Vulnerability from csaf_certbund - Published: 2025-04-15 22:00 - Updated: 2025-05-25 22:00

Summary

Mattermost: Mehrere Schwachstellen

Severity

Mittel

Scope

4 vulnerabilities in this advisory, including CVE-2025-3446.

CVE-2025-3446

Known affected: 5 products

Open the full advisory

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.

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-2025-3446 (GCVE-0-2025-3446)

CERTFR-2025-AVI-0413

Solutions

CERTFR-2025-AVI-0413

Solutions

CNVD-2025-12800

FKIE_CVE-2025-3446

GHSA-R7R2-M3VR-C8QC

OPENSUSE-SU-2025:15159-1

WID-SEC-W-2025-0830

Tags

Sightings

Nomenclature

Related by attack behaviour