{"vulnerability": "CVE-2026-54513", "sightings": [{"uuid": "ea023d80-d15e-4eeb-8580-d8d61ec6e8fe", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-54513", "type": "seen", "source": "https://bsky.app/profile/suriq.io/post/3moyfja6qza2l", "content": "The safety check you added to keep Java's JSON parser safe has a hole.\n\nJackson's allowlist never checks array contents, so a banned class hidden in an array gets built. (CVE-2026-54513)\n\nFix: jackson-databind 2.18.8 / 2.21.4 / 3.1.4.", "creation_timestamp": "2026-06-23T21:59:11.504088Z"}, {"uuid": "063c27bb-f921-49de-8970-73b75218e36a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-54513", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3moym72ggiz2y", "content": "CVE-2026-54513 - jackson-databind: Array subtype allowlist bypass in BasicPolymorphicTypeValidator (allowIfSubTypeIsArray)\nCVE ID : CVE-2026-54513\n \n Published : June 23, 2026, 8:53 p.m. | 2\u00a0hours, 50\u00a0minutes ago\n \n Description : jackson-databind contains the general-purpose d...", "creation_timestamp": "2026-06-23T23:58:45.357702Z"}, {"uuid": "82ae6613-36dc-4c6c-9ed4-86a236553a3b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-54513", "type": "seen", "source": "https://bsky.app/profile/kriptabiz.bsky.social/post/3mps7q6nek222", "content": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c CVE-2026-54513 \u0432 Jackson Databind: \u0443\u0433\u0440\u043e\u0437\u044b \u0438 \u0441\u043f\u043e\u0441\u043e\u0431\u044b \u0437\u0430\u0449\u0438\u0442\u044b\n\n\n\nhttps://kripta.biz/posts/B3329FFB-CFD0-4E60-BE56-51787F0315ED", "creation_timestamp": "2026-07-04T04:24:54.659741Z"}, {"uuid": "bf8efcb8-34ef-435e-904e-fae751abd450", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-54513", "type": "seen", "source": "https://bsky.app/profile/cyberhub.blog/post/3mrbgtff3gn23", "content": "\ud83d\udccc CVE-2026-54513 - jackson-databind contains the general-purpose data-binding functionality and tree-model for Jackson Data Processor. From 2.10.0 until 2.18.8, 2.21.4, ... https://www.cyberhub.blog/cves/CVE-2026-54513", "creation_timestamp": "2026-07-22T23:07:06.567848Z"}]}