{"action":"Upgrade io.spinnaker.orca:orca-core to 2025.2.4 (2025.2.x), 2025.3.1 (2025.3.x) or 2025.4.1 (2025.4.x) or later.","affected":[{"fixed":"2025.2.4","introduced":"2025.1.6"},{"fixed":"2025.3.1","introduced":"2025.3.0"},{"fixed":"2025.4.1","introduced":"2025.4.0"}],"component":"io.spinnaker.orca:orca-core","cve_ids":["CVE-2026-25534"],"ecosystem":"Maven","epss":0.00256,"exploited":false,"fixed_versions":["2025.2.4","2025.3.1","2025.4.1"],"ghsa_id":"GHSA-8r8j-gfhg-fw38","id":"tcs_01M5N8NANSJMECY45B7E496WZR","modified_at":"2026-09-01T16:15:04.844738053Z","published_at":"2026-03-16T15:15:10Z","references":["https://osv.dev/vulnerability/GHSA-8r8j-gfhg-fw38","https://github.com/spinnaker/spinnaker/security/advisories/GHSA-8r8j-gfhg-fw38","https://github.com/spinnaker/spinnaker/security/advisories/GHSA-vrjc-q2fh-6x9h","https://nvd.nist.gov/vuln/detail/CVE-2026-25534","https://github.com/spinnaker/spinnaker/commit/7c4737906239a958a468e843239c6785b03d0eda","https://github.com/spinnaker/spinnaker"],"severity":{"label":"critical","score":9.1},"sources":[{"source":"osv","source_id":"GHSA-8r8j-gfhg-fw38#Maven/io.spinnaker.orca:orca-core","url":"https://osv.dev/vulnerability/GHSA-8r8j-gfhg-fw38"}],"summary":"Spinnaker clouddriver and orca URL validation bypass via underscores in hostnames"}