{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.24.0"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "ce617120c41b9e4a51d577f81b441238264e88fd"
            }
          ],
          "repo": "https://github.com/fission/fission",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-3r8v-2xmj-5c39"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-284",
      "CWE-863"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49823.json"
  },
  "details": "Fission is an open-source, Kubernetes-native serverless framework that simplifies the deployment of functions and applications on Kubernetes. Prior to version 1.24.0, a Fission Function spec carries three reference types — Secret, ConfigMap, and Package. The first two were namespace-validated by the admission webhook; PackageRef.Namespace was not. This issue has been patched in version 1.24.0.",
  "id": "CVE-2026-49823",
  "modified": "2026-07-15T01:48:57.439741943Z",
  "published": "2026-06-10T17:23:23.682Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/fission/fission/releases/tag/v1.24.0"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49823.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/fission/fission/security/advisories/GHSA-3r8v-2xmj-5c39"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49823"
    },
    {
      "type": "FIX",
      "url": "https://github.com/fission/fission/pull/3389"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Fission: Cross-namespace Package read via unvalidated PackageRef in Function admission webhook"
}