CVE-2026-3531 (GCVE-0-2026-3531)

Vulnerability from cvelistv5 – Published: 2026-03-26 20:03 – Updated: 2026-03-30 14:54
VLAI?
Title
OpenID Connect / OAuth client - Moderately critical - Access bypass - SA-CONTRIB-2026-026
Summary
Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal OpenID Connect / OAuth client allows Authentication Bypass.This issue affects OpenID Connect / OAuth client: from 0.0.0 before 1.5.0.
Severity ?
6.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CWE
  • CWE-288 - Authentication Bypass Using an Alternate Path or Channel
Assigner
References
Impacted products
Vendor Product Version
Drupal OpenID Connect / OAuth client Affected: 0.0.0 , < 1.5.0 (semver)
Create a notification for this product.
Date Public ?
2026-03-04 18:02
Credits
Kimberley Massey (kimberleycgm) Kimberley Massey (kimberleycgm) Philip Frilling (pfrilling) Damien McKenna (damienmckenna) Greg Knaddison (greggles) Juraj Nemec (poker10)
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 6.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-3531",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-03-30T14:38:46.522051Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-03-30T14:54:51.550Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://www.drupal.org/project/openid_connect",
          "defaultStatus": "unaffected",
          "product": "OpenID Connect / OAuth client",
          "repo": "https://git.drupalcode.org/project/openid_connect",
          "vendor": "Drupal",
          "versions": [
            {
              "lessThan": "1.5.0",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Kimberley Massey (kimberleycgm)"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Kimberley Massey (kimberleycgm)"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Philip Frilling (pfrilling)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Damien McKenna (damienmckenna)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Greg Knaddison (greggles)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Juraj Nemec (poker10)"
        }
      ],
      "datePublic": "2026-03-04T18:02:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal OpenID Connect / OAuth client allows Authentication Bypass.\u003cp\u003eThis issue affects OpenID Connect / OAuth client: from 0.0.0 before 1.5.0.\u003c/p\u003e"
            }
          ],
          "value": "Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal OpenID Connect / OAuth client allows Authentication Bypass.This issue affects OpenID Connect / OAuth client: from 0.0.0 before 1.5.0."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-115",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-115 Authentication Bypass"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-288",
              "description": "CWE-288 Authentication Bypass Using an Alternate Path or Channel",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-26T20:03:48.873Z",
        "orgId": "2c85b837-eb8b-40ed-9d74-228c62987387",
        "shortName": "drupal"
      },
      "references": [
        {
          "url": "https://www.drupal.org/sa-contrib-2026-026"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "OpenID Connect / OAuth client - Moderately critical - Access bypass - SA-CONTRIB-2026-026",
      "x_generator": {
        "engine": "Vulnogram 1.0.1"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "2c85b837-eb8b-40ed-9d74-228c62987387",
    "assignerShortName": "drupal",
    "cveId": "CVE-2026-3531",
    "datePublished": "2026-03-26T20:03:48.873Z",
    "dateReserved": "2026-03-04T16:42:00.011Z",
    "dateUpdated": "2026-03-30T14:54:51.550Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-3531\",\"sourceIdentifier\":\"mlhess@drupal.org\",\"published\":\"2026-03-26T21:17:09.283\",\"lastModified\":\"2026-03-30T15:16:31.783\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal OpenID Connect / OAuth client allows Authentication Bypass.This issue affects OpenID Connect / OAuth client: from 0.0.0 before 1.5.0.\"},{\"lang\":\"es\",\"value\":\"Vulnerabilidad de omisi\u00f3n de autenticaci\u00f3n usando una ruta o canal alternativo en el cliente Drupal OpenID Connect / OAuth permite la omisi\u00f3n de autenticaci\u00f3n. Este problema afecta al cliente OpenID Connect / OAuth: desde 0.0.0 anterior a 1.5.0.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"mlhess@drupal.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-288\"}]}],\"references\":[{\"url\":\"https://www.drupal.org/sa-contrib-2026-026\",\"source\":\"mlhess@drupal.org\"}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-3531\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-03-30T14:38:46.522051Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-03-30T14:39:17.218Z\"}}], \"cna\": {\"title\": \"OpenID Connect / OAuth client - Moderately critical - Access bypass - SA-CONTRIB-2026-026\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Kimberley Massey (kimberleycgm)\"}, {\"lang\": \"en\", \"type\": \"remediation developer\", \"value\": \"Kimberley Massey (kimberleycgm)\"}, {\"lang\": \"en\", \"type\": \"remediation developer\", \"value\": \"Philip Frilling (pfrilling)\"}, {\"lang\": \"en\", \"type\": \"coordinator\", \"value\": \"Damien McKenna (damienmckenna)\"}, {\"lang\": \"en\", \"type\": \"coordinator\", \"value\": \"Greg Knaddison (greggles)\"}, {\"lang\": \"en\", \"type\": \"coordinator\", \"value\": \"Juraj Nemec (poker10)\"}], \"impacts\": [{\"capecId\": \"CAPEC-115\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-115 Authentication Bypass\"}]}], \"affected\": [{\"repo\": \"https://git.drupalcode.org/project/openid_connect\", \"vendor\": \"Drupal\", \"product\": \"OpenID Connect / OAuth client\", \"versions\": [{\"status\": \"affected\", \"version\": \"0.0.0\", \"lessThan\": \"1.5.0\", \"versionType\": \"semver\"}], \"collectionURL\": \"https://www.drupal.org/project/openid_connect\", \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2026-03-04T18:02:00.000Z\", \"references\": [{\"url\": \"https://www.drupal.org/sa-contrib-2026-026\"}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.1\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal OpenID Connect / OAuth client allows Authentication Bypass.This issue affects OpenID Connect / OAuth client: from 0.0.0 before 1.5.0.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Authentication Bypass Using an Alternate Path or Channel vulnerability in Drupal OpenID Connect / OAuth client allows Authentication Bypass.\u003cp\u003eThis issue affects OpenID Connect / OAuth client: from 0.0.0 before 1.5.0.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-288\", \"description\": \"CWE-288 Authentication Bypass Using an Alternate Path or Channel\"}]}], \"providerMetadata\": {\"orgId\": \"2c85b837-eb8b-40ed-9d74-228c62987387\", \"shortName\": \"drupal\", \"dateUpdated\": \"2026-03-26T20:03:48.873Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-3531\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-03-30T14:54:51.550Z\", \"dateReserved\": \"2026-03-04T16:42:00.011Z\", \"assignerOrgId\": \"2c85b837-eb8b-40ed-9d74-228c62987387\", \"datePublished\": \"2026-03-26T20:03:48.873Z\", \"assignerShortName\": \"drupal\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.