{"vulnerability": "CVE-2026-6253", "sightings": [{"uuid": "7b8b7bfd-6573-478f-befc-2d5db46fb735", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-6253", "type": "seen", "source": "https://bsky.app/profile/infosec.skyfleet.blue/post/3mkmjxidnro2m", "content": "[ADVISORY] curl: CVE-2026-6253: proxy credentials leak over redirect-to proxy", "creation_timestamp": "2026-04-29T07:06:00.983858Z"}, {"uuid": "08d41b6a-34cf-4c64-9e7b-5cbb873b957a", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-6253", "type": "seen", "source": "https://mastodon.social/users/bagder/statuses/116486743707813679", "content": "Out of the eight new #curl CVEs, four of them had existed in code for over twenty years when we published.\nCVE-2026-5545 clocks in at 22.75 years old\nCVE-2026-7168 at 21.91 years\nCVE-2026-6429 at 20.95 years\nCVE-2026-6253 at 20.66 years\nAnd yet CVE-2026-5545 only becomes the 5th oldest vulnerability ever found in curl so far.", "creation_timestamp": "2026-04-29T07:10:54.470048Z"}, {"uuid": "d00abaa2-defc-4db2-9659-e280dc27cd31", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-6253", "type": "seen", "source": "https://bsky.app/profile/bagder.mastodon.social.ap.brid.gy/post/3mkmkagqvtir2", "content": "Out of the eight new #curl CVEs, four of them had existed in code for over twenty years when we published.\n\nCVE-2026-5545 clocks in at 22.75 years old\n\nCVE-2026-7168 at 21.91 years\n\nCVE-2026-6429 at 20.95 years\n\nCVE-2026-6253 at 20.66 years\n\nAnd yet CVE-2026-5545 only becomes the 5th oldest [\u2026]", "creation_timestamp": "2026-04-29T07:11:04.742903Z"}, {"uuid": "4f8fca40-b0f6-4bf5-a324-3444961d0da8", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-6253", "type": "seen", "source": "https://bsky.app/profile/o2cloud.bsky.social/post/3mkn4vufiap2k", "content": "\ud83d\udd17 CVE : CVE-2026-4873, CVE-2026-5545, CVE-2026-5773, CVE-2026-6253, CVE-2026-6276, CVE-2026-6429, CVE-2026-7009, CVE-2026-7168, CVE-2024-11053, CVE-2026-1965, CVE-2026-4873, CVE-2026-5545, CVE-2026-5773, CVE-2026-6253, CVE-2026-6276, CVE-2026-6429, CVE-2026-7009, CVE-2026-7168", "creation_timestamp": "2026-04-29T12:45:07.732912Z"}]}