{"action":"Upgrade com.fasterxml.jackson.core:jackson-databind to 2.18.11 (2.18.x), 2.21.7 (2.21.x) or 2.22.3 (2.22.x) or later.","affected":[{"fixed":"2.21.7","introduced":"2.19.0"},{"fixed":"2.18.11","introduced":"2.5.0"},{"fixed":"2.22.3","introduced":"2.22.0"}],"component":"com.fasterxml.jackson.core:jackson-databind","cve_ids":["CVE-2026-91777"],"ecosystem":"Maven","epss":0.00487,"exploited":false,"fixed_versions":["2.21.7","2.18.11","2.22.3"],"ghsa_id":"GHSA-cxp5-3px4-pw24","id":"tcs_01M5N8TMRWBBG20CVS7PRFFQ2K","modified_at":"2026-09-30T15:46:18.051343022Z","published_at":"2026-09-30T15:37:24Z","references":["https://osv.dev/vulnerability/GHSA-cxp5-3px4-pw24","https://github.com/FasterXML/jackson-databind/security/advisories/GHSA-cxp5-3px4-pw24","https://nvd.nist.gov/vuln/detail/CVE-2026-91777","https://github.com/FasterXML/jackson-databind/issues/6204","https://github.com/FasterXML/jackson-databind/pull/6204","https://github.com/FasterXML/jackson-databind/commit/37ad9b81712cbb9fb62c2d2c1813593252a24b67","https://github.com/FasterXML/jackson-databind","https://github.com/FasterXML/jackson-databind/releases/tag/jackson-databind-2.18.11","https://github.com/FasterXML/jackson-databind/releases/tag/jackson-databind-2.21.7","https://github.com/FasterXML/jackson-databind/releases/tag/jackson-databind-2.22.3","https://github.com/FasterXML/jackson-databind/releases/tag/jackson-databind-3.1.7","https://github.com/FasterXML/jackson-databind/releases/tag/jackson-databind-3.2.3"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-cxp5-3px4-pw24","url":"https://osv.dev/vulnerability/GHSA-cxp5-3px4-pw24"}],"summary":"jackson-databind quadratic forward-reference completion"}