{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "2.0.0"
              },
              {
                "fixed": "2.9.57"
              },
              {
                "introduced": "3.0.0"
              },
              {
                "fixed": "3.6.21"
              },
              {
                "introduced": "4.0.0"
              },
              {
                "fixed": "4.0.6"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "6cf1bc9d917a4c56d0034fd6e0d6f394d6eddb6e"
            },
            {
              "fixed": "50bd2ae2c22c5de86aef5b678cd75228107165f6"
            },
            {
              "introduced": "35c560704ee254219ae0c4a37810bde5278e99bb"
            },
            {
              "fixed": "d395054dc2c360690239f2aedc6fd3ae9b46e279"
            },
            {
              "introduced": "766e8bca985b3f7c350666d36106389bc38b7af2"
            },
            {
              "fixed": "a6e34d9dedebd0759de82efd49b8dff24c945233"
            }
          ],
          "repo": "https://github.com/juju/juju",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-7m55-2hr4-pw78"
  ],
  "database_specific": {
    "cna_assigner": "canonical",
    "cwe_ids": [
      "CWE-362"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5774.json"
  },
  "details": "Improper synchronization of the userTokens map in the API server in Canonical Juju 4.0.5, 3.6.20, and 2.9.56 may allow an authenticated user to possibly cause a denial of service on the server or possibly reuse a single-use discharge token.",
  "id": "CVE-2026-5774",
  "modified": "2026-08-04T11:31:13.025219206Z",
  "published": "2026-04-10T12:10:55.634Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/juju/"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5774.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/juju/juju/security/advisories/GHSA-7m55-2hr4-pw78"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-5774"
    },
    {
      "type": "FIX",
      "url": "https://github.com/juju/juju/pull/22205"
    },
    {
      "type": "FIX",
      "url": "https://github.com/juju/juju/pull/22206"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/juju/juju"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "Juju API Server Denial of Service and Authentication Replay via Unsynchronized Token Map"
}