CVE-2026-103264
validatedZero produced an exploit or a check.GHSA-rmfg-c7hm-wv58 ↗EUVD-2026-90658 ↗
description
Fleet releases before 4.87.0 can treat non-secret device identifiers as valid credentials for the device API. An unauthenticated party able to obtain or guess those identifiers may impersonate an iOS or iPadOS device, access device data, and invoke device-scoped actions.
mitigation
Upgrade Fleet to version 4.87.0 or later. Until the upgrade is complete, restrict access to the device API to trusted networks and clients.
fixed in 4.87.0
outcome
Check only, differential: the check fires on the vulnerable build and is silent on the patched one.
source signals
Public signals that triggered or updated the pipeline. These are inputs for the deltas above.
- 2026-10-01 10:42Zghsa: trigger signal, started the run
- 2026-10-01 10:42Zcve.org record for CVE-2026-103264
this entry in the feed
GET /api/v1/feed/CVE-2026-103264
{ "etk_id": "ETK-2026-241", "cve_id": "CVE-2026-103264", "display_id": "CVE-2026-103264", "ghsa_id": "GHSA-rmfg-c7hm-wv58", "euvd_id": "EUVD-2026-90658", "status": "published", "anchor_state": "anchored", "title": "Authentication bypass in Fleet device API", "summary": "Fleet releases before 4.87.0 can treat non-secret device identifiers as valid credentials for the device API. An unauthenticated party able to obtain or guess those identifiers may impersonate an iOS or iPadOS device, access device data, and invoke device-scoped actions.", "mitigation": "Upgrade Fleet to version 4.87.0 or later. Until the upgrade is complete, restrict access to the device API to trusted networks and clients.", "vendor": "fleetdm", "product": "fleet", "affected": [ { "affected_notes": [], "affected_ranges": [ ">= 0, < 4.87.0" ], "ecosystem": null, "fixed_versions": [ "4.87.0" ], "package_name": "fleet", "purl": null } ], "cwes": null, "cvss_score": 9.1, "cvss_src": "cna_vendor", "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "epss_score": 0.0031, "epss_percentile": 0.2189, "epss_asof": "2026-10-20", "automation": "deterministic", "check": true, "check_confidence_basis": "differential", "exploit": false, "pipeline_minutes": 71.80736383333333, "t0_at": "2026-10-01T10:42:06.306000+00:00", "signals": { "check": { "at": "2026-10-02T15:00:30.920790+00:00", "days": 1.1794515600694444, "is_lower_bound": false, "measured_at": "2026-10-01T10:42:06.306000+00:00", "url": null }, "trigger_signal": { "at": "2026-10-01T10:42:06.306000+00:00", "days": 0, "is_lower_bound": false, "measured_at": "2026-10-01T10:42:06.306000+00:00", "url": "https://github.com/advisories/GHSA-rmfg-c7hm-wv58" } } }
published 2026-10-01 13:48Z
last change 2026-10-21 11:18Z
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