{"id":"CVE-2026-44795","aliases":["GHSA-c8q4-9h32-2ww8"],"url":"https://o3.security/vulnerability/CVE-2026-44795","summary":"Spinnaker: Non-safe yaml deserialization allowing RCE when using specific types","details":"Spinnaker is an open source, multi-cloud continuous delivery platform. Prior to 2026.1.0, 2026.0.3, 2025.4.4, and 2025.3.3, unsafe YAML processing bypasses safe deserialization when using CloudFormation deployments or CloudFoundry baking. The use of a non-safe constructor allows arbitrary loading of Java classes, leading to remote code execution. This issue is fixed in versions 2026.1.0, 2026.0.3, 2025.4.4, and 2025.3.3.","published":"2026-07-10T21:49:27.287Z","modified":"2026-08-12T16:24:32.255411Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.01012,"percentile":0.60543,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"io.spinnaker.rosco:rosco-core","fixedVersion":"2025.3.3"},{"ecosystem":"Maven","name":"io.spinnaker.orca:orca-core","fixedVersion":"2025.3.3"},{"ecosystem":"Maven","name":"io.spinnaker.rosco:rosco-core","fixedVersion":"2025.4.4"},{"ecosystem":"Maven","name":"io.spinnaker.rosco:rosco-core","fixedVersion":"2026.0.3"},{"ecosystem":"Maven","name":"io.spinnaker.orca:orca-core","fixedVersion":"2025.4.4"},{"ecosystem":"Maven","name":"io.spinnaker.orca:orca-core","fixedVersion":"2026.0.3"}],"fix":{"url":"https://github.com/spinnaker/spinnaker/commit/4cbe1d5fea9df573aadfd8b093fb4b594b354ee5","label":"spinnaker/spinnaker@4cbe1d5"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44795.json"},{"type":"ADVISORY","url":"https://github.com/spinnaker/spinnaker/security/advisories/GHSA-c8q4-9h32-2ww8"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44795"},{"type":"FIX","url":"https://github.com/spinnaker/spinnaker/commit/4cbe1d5fea9df573aadfd8b093fb4b594b354ee5"},{"type":"FIX","url":"https://github.com/spinnaker/spinnaker/commit/e57c0db4584b398473a7bbb19402ce6c1e89b627"},{"type":"FIX","url":"https://github.com/spinnaker/spinnaker/commit/f69d7b534d068ed74d0d3a1fbf17e2c945d36e5e"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T16:24:32.255411Z"}}