Publish Advisories

GHSA-mqcj-8c2g-h97q
GHSA-mqcj-8c2g-h97q

Author: advisory-database[bot]

advisories/github-reviewed/2025/11/GHSA-mqcj-8c2g-h97q/GHSA-mqcj-8c2g-h97q.json

@@ -0,0 +1,187 @@
+{
+  "schema_version": "1.4.0",
+  "id": "GHSA-mqcj-8c2g-h97q",
+  "modified": "2025-11-14T15:54:51Z",
+  "published": "2025-11-13T18:31:05Z",
+  "aliases": [
+    "CVE-2025-11777"
+  ],
+  "summary": "Mattermost Incorrect Authorization vulnerability",
+  "details": "Mattermost versions 10.11.x <= 10.11.3, 10.5.x <= 10.5.11 fail to properly validate team membership permissions in the Add Channel Member API, which allows users from one team to access user metadata and channel membership information from other teams via the API endpoint.",
+  "severity": [
+    {
+      "type": "CVSS_V3",
+      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N"
+    }
+  ],
+  "affected": [
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/mattermost/mattermost-server"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "10.11.0"
+            },
+            {
+              "fixed": "10.11.4"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/mattermost/mattermost-server"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "10.5.0"
+            },
+            {
+              "fixed": "10.5.12"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/mattermost/mattermost/server/v8"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "8.0.0-20250905150616-ba86dfc5876b"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/mattermost/mattermost"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "5.3.2-0.20250905150616-ba86dfc5876b"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/mattermost/mattermost-server"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "5.3.2-0.20250905150616-ba86dfc5876b"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/mattermost/mattermost-server/v5"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "5.3.2-0.20250905150616-ba86dfc5876b"
+            }
+          ]
+        }
+      ]
+    },
+    {
+      "package": {
+        "ecosystem": "Go",
+        "name": "github.com/mattermost/mattermost-server/v6"
+      },
+      "ranges": [
+        {
+          "type": "ECOSYSTEM",
+          "events": [
+            {
+              "introduced": "0"
+            },
+            {
+              "fixed": "5.3.2-0.20250905150616-ba86dfc5876b"
+            }
+          ]
+        }
+      ]
+    }
+  ],
+  "references": [
+    {
+      "type": "ADVISORY",
+      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-11777"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/mattermost/mattermost/commit/98acefe911dd9de7edf47a7d825dd99f53141a52"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/mattermost/mattermost/commit/ba86dfc5876b354b9d3c20ff45c08ca6f8426149"
+    },
+    {
+      "type": "WEB",
+      "url": "https://github.com/mattermost/mattermost/commit/d72d437f1567ba0b639b6e4fd73bab06c51baab5"
+    },
+    {
+      "type": "PACKAGE",
+      "url": "https://github.com/mattermost/mattermost"
+    },
+    {
+      "type": "WEB",
+      "url": "https://mattermost.com/security-updates"
+    }
+  ],
+  "database_specific": {
+    "cwe_ids": [
+      "CWE-863"
+    ],
+    "severity": "LOW",
+    "github_reviewed": true,
+    "github_reviewed_at": "2025-11-14T15:54:50Z",
+    "nvd_published_at": "2025-11-13T18:15:49Z"
+  }
+}