Timing ownership claim attack on new external back-end secrets

{
  "id": "60cf85b8d54e9ec6eb911dfd237b0870a63aeb4baf1adf2288e1cb0d6a6d7e71",
  "url": "https://osv.dev/vulnerability/CVE-2026-32691",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Timing ownership claim attack on new external back-end secrets",
    "summary": "A race condition in the secrets management subsystem of Juju versions 3.0.0 through 3.6.18 allows an authenticated unit agent to claim ownership of a newly initialized secret. Between generating a Juju Secret ID and creating the secret's first revision, an attacker authenticated as another unit agent can claim ownership of a known secret. This leads to the attacking unit being able to read the content of the initial secret revision.",
    "evidence": "osv:CVE-2026-32691",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-32691",
      "aliases": [
        "CVE-2026-32691",
        "GHSA-gfgr-6hrj-85ww",
        "GO-2026-4769"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/juju/juju",
              "type": "GIT",
              "events": [
                {
                  "introduced": "35c560704ee254219ae0c4a37810bde5278e99bb"
                },
                {
                  "fixed": "5a261e58fcd3bd366b36229bfd1c46e6b3b61402"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "3.0.0"
                      },
                      {
                        "fixed": "3.6.19"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "cpe": "cpe:2.3:a:canonical:juju:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.0.0"
                      },
                      {
                        "fixed": "3.6.19"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-32691.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:22.955448587Z",
      "provider": "osv",
      "references": [
        "https://github.com/juju/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32691.json",
        "https://github.com/juju/juju/security/advisories/GHSA-gfgr-6hrj-85ww",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-32691",
        "https://github.com/juju/juju"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-708"
        ],
        "cna_assigner": "canonical",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32691.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-32691",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 489116,
  "published_at": "2026-03-18T12:28:11.546+00:00"
}