CVE-2026-103547

{
  "etk_id": "ETK-2026-163",
  "cve_id": "CVE-2026-103547",
  "display_id": "CVE-2026-103547",
  "ghsa_id": "GHSA-f239-ggxr-g679",
  "euvd_id": "EUVD-2026-90259",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Authentication result mix-up in OpenBSD ldapd",
  "summary": "OpenBSD ldapd can associate a delegated BSD authentication result with the wrong client session on affected 7.8 and 7.9 releases. An attacker able to reach an enabled ldapd instance may authenticate as a different identity; the affected delegated authentication path must be in use.",
  "mitigation": "Install OpenBSD 7.8 errata 057 or OpenBSD 7.9 errata 021. Disable ldapd or restrict network access to it until the applicable errata is installed.",
  "vendor": "OpenBSD",
  "product": "OpenBSD",
  "affected": [
    {
      "affected_notes": [
        ">= 7.8, < errata 057",
        ">= 7.9, < errata 021"
      ],
      "affected_ranges": [],
      "ecosystem": null,
      "fixed_versions": [
        "errata 057",
        "errata 021"
      ],
      "package_name": "OpenBSD",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 9.2,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
  "epss_score": 0.0037,
  "epss_percentile": 0.2974,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": true,
  "check_confidence_basis": "mechanism_verified",
  "exploit": false,
  "pipeline_minutes": 57.68746048333333,
  "t0_at": "2026-09-30T19:40:53.200000+00:00",
  "signals": {
    "check": {
      "at": "2026-09-30T23:20:17.032334+00:00",
      "days": 0.1523591705324074,
      "is_lower_bound": false,
      "measured_at": "2026-09-30T19:40:53.200000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-09-30T19:40:53.200000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-09-30T19:40:53.200000+00:00",
      "url": "https://github.com/advisories/GHSA-f239-ggxr-g679"
    }
  }
}