{"metadata": {"vulnerability": "CVE-2026-55480", "count": 47, "kinds": {"milestone": 9, "sighting": 2, "kev": 0, "other": 36}}, "data": [{"timestamp": "2026-06-16T22:00:00Z", "date_only": false, "value": "2026-06-16T22:00:00.000+00:00", "kind": "other", "label": "Advisory revision", "source": "csaf_certbund \u00b7 WID-SEC-W-2026-1968", "record": "WID-SEC-W-2026-1968", "field": "document.tracking.revision_history.0.date", "linked_record": true}, {"timestamp": "2026-06-16T22:00:00Z", "date_only": false, "value": "2026-06-16T22:00:00.000+00:00", "kind": "milestone", "label": "Published", "source": "csaf_certbund \u00b7 WID-SEC-W-2026-1968", "record": "WID-SEC-W-2026-1968", "field": "document.tracking.initial_release_date", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": true}, {"timestamp": "2026-06-16T22:00:00Z", "date_only": false, "value": "2026-06-16T22:00:00.000+00:00", "kind": "other", "label": "Release date", "source": "csaf_certbund \u00b7 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"linked_record": true}, {"timestamp": "2026-10-06T00:01:39.676Z", "date_only": false, "value": "2026-10-06T00:01:39.676288Z", "kind": "sighting", "label": "Seen", "source": "https://bsky.app/profile/slackers.it/post/3mx64tyjx432m", "record": "CVE-2026-55480", "field": "creation_timestamp", "uuid": "ef9a7650-abe9-4730-b251-5ed097c5796a", "content": "5/6\n\nsendmail command.\n  The scheduler could crash when modifying a class.\n  For more information, see:\n    https://www.cve.org/CVERecord?id=CVE-2026-55480\n    https://github.com/openprinting/cups/security/advisories/GHSA-r9hj-j2rw-4q3m", "url": "https://bsky.app/profile/slackers.it/post/3mx64tyjx432m"}, {"timestamp": "2026-10-07T06:07:04.685Z", "date_only": false, "value": "2026-10-07T06:07:04.685729Z", "kind": "milestone", "label": "Published", "source": "osv_bellsoft \u00b7 BELL-CVE-2026-55480", "record": "BELL-CVE-2026-55480", "field": "published", "metric_role": "disclosure", "metric_basis": "recorded_event", "linked_record": 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"vulnerabilities.1.discovery_date", "linked_record": true}, {"timestamp": "2026-10-15T17:27:11.059Z", "date_only": false, "value": "2026-10-15T17:27:11.059326Z", "kind": "sighting", "label": "Seen", "source": "https://infosec.exchange/users/cve/statuses/117446097666617966", "record": "CVE-2026-55480", "field": "creation_timestamp", "uuid": "1acb2af3-ccbf-4998-9a6f-3429700e0b3d", "content": "CVE-2026-55480 CUPS copy_model() creates a predictable PPD tempfile without O_EXCL/O_NOFOLLOW (symlink TOCTOU, lp \u2192 root) OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. Prior to 2.4.20, copy_model() in scheduler/ipp.c creates a predictable TempDir/<connection-number>.ppd path in an lp-group-writable directory and opens it as root without O_EXCL or O_NOFOLLOW. Exploitation requires an lp-group process able to write that directory to predict the connection-derived name and plant a symlink before the root open, while a privileged add-printer or modify-printer operation using a model PPD triggers copy_model(). The reporter treats an existing lp foothold and the privileged operation as distinct prerequisites, while the maintainer assesses high privileges because installing the relevant filter or administering the printer requires root or print-administrator access. If the race succeeds, the root scheduler follows the symlink and truncates or overwrites a root-writable target with generated PPD data, compromising file integrity or availability. 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