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CVE-2026-66884

🗓️ 04 Aug 2026 11:45:49Reported by EEFType 
cve
 cve
🔗 web.nvd.nist.gov👁 104 Views🌐 WEB

CVE-2026-66884: Oidcc.Plug.AuthorizationCallback accepts requests with no session or state, bypassing CSRF.

Related
Detection
Affected
Refs
Paths
Vulners
CNA
Node
erlefoidcc_plugRange<0.5.0erlang
[
  {
    "collectionURL": "https://repo.hex.pm",
    "cpes": [
      "cpe:2.3:a:erlef:oidcc_plug:*:*:*:*:*:erlang:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "Elixir.Oidcc.Plug.AuthorizationCallback"
    ],
    "packageName": "oidcc_plug",
    "packageURL": "pkg:hex/oidcc_plug",
    "product": "oidcc_plug",
    "programFiles": [
      "lib/oidcc/plug/authorization_callback.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Oidcc.Plug.AuthorizationCallback':call/2"
      }
    ],
    "repo": "https://github.com/erlef/oidcc_plug",
    "vendor": "Erlang Ecosystem Foundation",
    "versions": [
      {
        "lessThan": "0.5.0",
        "status": "affected",
        "version": "0.2.0-beta.1",
        "versionType": "semver"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:erlef:oidcc_plug:*:*:*:*:*:erlang:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "Elixir.Oidcc.Plug.AuthorizationCallback"
    ],
    "packageName": "erlef/oidcc_plug",
    "packageURL": "pkg:github/erlef/oidcc_plug",
    "product": "oidcc_plug",
    "programFiles": [
      "lib/oidcc/plug/authorization_callback.ex"
    ],
    "programRoutines": [
      {
        "name": "'Elixir.Oidcc.Plug.AuthorizationCallback':call/2"
      }
    ],
    "repo": "https://github.com/erlef/oidcc_plug",
    "vendor": "Erlang Ecosystem Foundation",
    "versions": [
      {
        "lessThan": "97d75afc57826dca31989b47d6e2a3c136039917",
        "status": "affected",
        "version": "e577ae73b9080693442916043a22d8f05491dd93",
        "versionType": "git"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
codepath/callbackThe Oidcc.Plug.AuthorizationCallback module fails to properly validate the session for callback requests. An attacker can induce a victim to visit the callback endpoint with an attacker-controlled authorization code and no state parameter, leading to account takeover or unauthorized login.CWE-352
statepath/callbackThe Oidcc.Plug.AuthorizationCallback module fails to properly validate the session for callback requests. An attacker can induce a victim to visit the callback endpoint with an attacker-controlled authorization code and no state parameter, leading to account takeover or unauthorized login.CWE-352

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23 Oct 2026 23:10Current
5.9Medium risk
Vulners AI Score5.9
CVSS 42.1
EPSS0.00256
SSVC
104