{"action":"Upgrade com.fasterxml.jackson.core:jackson-databind to 2.18.9 (2.18.x), 2.21.5 (2.21.x) or 2.22.1 (2.22.x) or later.","affected":[{"fixed":"2.18.9","introduced":"2.0.0"},{"fixed":"2.21.5","introduced":"2.19.0"},{"fixed":"2.22.1","introduced":"2.22.0"}],"component":"com.fasterxml.jackson.core:jackson-databind","cve_ids":["CVE-2026-77310"],"ecosystem":"Maven","epss":0.00313,"exploited":false,"fixed_versions":["2.18.9","2.21.5","2.22.1"],"ghsa_id":"GHSA-vvgp-rfg2-7rr6","id":"tcs_01M5N9EV88RJ8GQT3T0ZC6QH1R","modified_at":"2026-09-28T20:30:05.324367371Z","published_at":"2026-09-28T20:17:41Z","references":["https://osv.dev/vulnerability/GHSA-vvgp-rfg2-7rr6","https://github.com/FasterXML/jackson-databind/security/advisories/GHSA-vvgp-rfg2-7rr6","https://nvd.nist.gov/vuln/detail/CVE-2026-77310","https://github.com/FasterXML/jackson-databind/pull/6058","https://github.com/FasterXML/jackson-databind/commit/2fc7bd9057dd051d7dea0e5fcad89822d0fa5ebd","https://github.com/FasterXML/jackson-databind","https://github.com/FasterXML/jackson-databind/releases/tag/jackson-databind-2.18.9","https://github.com/FasterXML/jackson-databind/releases/tag/jackson-databind-2.21.5","https://github.com/FasterXML/jackson-databind/releases/tag/jackson-databind-2.22.1","https://github.com/FasterXML/jackson-databind/releases/tag/jackson-databind-3.1.5","https://github.com/FasterXML/jackson-databind/releases/tag/jackson-databind-3.2.1"],"severity":{"label":"medium","score":5.3},"sources":[{"source":"osv","source_id":"GHSA-vvgp-rfg2-7rr6","url":"https://osv.dev/vulnerability/GHSA-vvgp-rfg2-7rr6"}],"summary":"jackson-databind: Incomplete fix for CVE-2026-54514: eager DNS resolution (SSRF) still present in InetAddress deserialization"}