{"action":"Upgrade github.com/edgelesssys/contrast to 1.21.0 or later.","affected":[{"fixed":"1.21.0","introduced":"0"}],"component":"github.com/edgelesssys/contrast","cve_ids":["CVE-2026-100837"],"ecosystem":"Go","epss":0.00213,"exploited":false,"fixed_versions":["1.21.0"],"ghsa_id":"GHSA-6c87-g9pw-78fx","id":"tcs_01M5KGQBM43NZBZSC2CHC48SZV","modified_at":"2026-09-27T11:55:37.747659462Z","published_at":"2026-07-07T15:26:37Z","references":["https://osv.dev/vulnerability/GO-2026-5865","https://github.com/edgelesssys/contrast/security/advisories/GHSA-6c87-g9pw-78fx","https://github.com/edgelesssys/contrast/commit/10826b1d82613025767fb094e8aa51a7dcfbd2a1","https://github.com/edgelesssys/contrast/releases/tag/v1.21.0"],"severity":{"label":"low","score":3.7},"sources":[{"source":"osv","source_id":"GO-2026-5865","url":"https://osv.dev/vulnerability/GO-2026-5865"},{"source":"nvd","source_id":"CVE-2026-100837","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-100837"}],"summary":"Contrast's Imagepuller registryFor uses unanchored suffix matching, leaking auth credentials and trusted CA configuration to sibling-domain registries in github.com/edgelesssys/contrast"}