{"action":"Upgrade org.apache.httpcomponents.core5:httpcore5-h2 to the fixed version for your line (see fixed_versions).","affected":[{"fixed":"5.4.3","introduced":"0"},{"fixed":"5.5-beta2","introduced":"5.5-alpha1"}],"component":"org.apache.httpcomponents.core5:httpcore5-h2","cve_ids":["CVE-2026-54428"],"ecosystem":"Maven","epss":0.00871,"exploited":false,"fixed_versions":["5.4.3","5.5-beta2"],"ghsa_id":"GHSA-v3jc-474w-2wm6","id":"tcs_01M5N9D31HQASPQK62VMNXWZN5","modified_at":"2026-09-10T03:51:12.247227504Z","published_at":"2026-07-01T18:31:56Z","references":["https://osv.dev/vulnerability/GHSA-v3jc-474w-2wm6","https://nvd.nist.gov/vuln/detail/CVE-2026-54428","https://github.com/apache/httpcomponents-core/commit/1ea1239bbbe3442a8382a87279c0a8119a7e358e","https://github.com/apache/httpcomponents-core/commit/cc30ee058a7b10cbf4ad3dd6270ab6d1f6a74c49","https://github.com/apache/httpcomponents-core","https://lists.apache.org/thread/5zjp8vczvxq19pw2rvhs21q446bhl0sd","http://www.openwall.com/lists/oss-security/2026/07/01/3"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-v3jc-474w-2wm6","url":"https://osv.dev/vulnerability/GHSA-v3jc-474w-2wm6"}],"summary":"Apache HttpComponents Core: HPackDecoder Unlimited Header List Size Before SETTINGS ACK"}