{"action":"Upgrade @backstage/plugin-kubernetes-backend to 0.21.10 or later.","affected":[{"fixed":"0.21.10","introduced":"0"}],"component":"@backstage/plugin-kubernetes-backend","cve_ids":["CVE-2026-106487"],"ecosystem":"npm","epss":0.00263,"exploited":false,"fixed_versions":["0.21.10"],"ghsa_id":"GHSA-h53x-hjx6-25gr","id":"tcs_01M5KFT745QS78H8T7EG65J7KM","modified_at":"2026-10-07T18:15:12.170259633Z","published_at":"2026-10-07T18:01:08Z","references":["https://osv.dev/vulnerability/GHSA-h53x-hjx6-25gr","https://github.com/backstage/backstage/security/advisories/GHSA-h53x-hjx6-25gr","https://nvd.nist.gov/vuln/detail/CVE-2026-106487","https://github.com/backstage/backstage/commit/c14f8be6908f0f719b16356e5492352311e28946","https://github.com/backstage/backstage","https://github.com/backstage/backstage/releases/tag/v1.54.6"],"severity":{"label":"low","score":3.5},"sources":[{"source":"osv","source_id":"GHSA-h53x-hjx6-25gr","url":"https://osv.dev/vulnerability/GHSA-h53x-hjx6-25gr"}],"summary":"Backstage: Unsupported catalog cluster authentication mode in kubernetes backend"}