{
  "cveId": "CVE-2026-48860",
  "url": "https://patchblox.com/security/cve/CVE-2026-48860",
  "summary": "CVE-2026-48860 is fixed in 38 products on 1 platform, first by DEBIAN-CVE-2026-48860, released June 24, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Distribution-over-TLS LAN allowlist silently bypassed due to sockname/peername confusion in inet_tls_dist",
  "description": "Reliance on IP Address for Authentication vulnerability in Erlang/OTP ssl (inet_tls_dist module) allows unauthenticated bypass of the distribution-over-TLS LAN allowlist.  The inet_tls_dist:check_ip/1 function, which enforces a LAN allowlist for Erlang distribution over TLS, calls inet:sockname/1 instead of inet:peername/1 to obtain the peer\u0027s IP address. Because inet:sockname/1 returns the local socket address, both the local IP and the supposed peer IP resolve to the same value, causing the subnet mask comparison to always succeed regardless of the actual remote address. Any holder of a CA-signed TLS certificate can therefore bypass the LAN restriction and gain full Erlang distribution access to the node, including rpc:call/4 and code:load_binary/3.  This vulnerability is associated with program file lib/ssl/src/inet_tls_dist.erl.  This issue affects OTP from OTP\u00A026.0 before OTP\u00A027.3.4.13, OTP\u00A028.5.0.2, and OTP\u00A029.0.2, corresponding to ssl from 11.0 before 11.2.12.9, 11.6.0.2, and 11.7.2.",
  "published": "2026-06-10T09:17:00Z",
  "severity": "Important",
  "cvss": 6.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
  "cwe": "Comparison Using Wrong Factors",
  "epss": 0.0021,
  "epssPercentile": 0.11259,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48860",
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      "release": "Debian 13.5 (trixie)",
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      "fix": "DEBIAN-CVE-2026-48860",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-48860",
      "released": "2026-06-24T14:07:24Z"
    },
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      "product": "erlang",
      "release": "Debian 14",
      "fixedVersion": "1:29.0.2\u002Bdfsg-1",
      "fix": "DEBIAN-CVE-2026-48860",
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      "released": "2026-06-24T14:07:24Z"
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  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}