CVE-2026-5343 (GCVE-0-2026-5343)

Vulnerability from cvelistv5 – Published: 2026-05-28 22:48 – Updated: 2026-05-29 18:38
VLAI
Title
SAML SSO - Service Provider - Critical - Authentication bypass - SA-CONTRIB-2026-031
Summary
Improper Check for Unusual or Exceptional Conditions vulnerability in Drupal SAML SSO - Service Provider allows Privilege Escalation. This issue affects SAML SSO - Service Provider: from 0.0.0 before 3.1.4.
Severity
7.4 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
Impacted products
Vendor Product Version
Drupal SAML SSO - Service Provider Affected: 0.0.0 , < 3.1.4 (semver)
Create a notification for this product.
Date Public
2026-04-01 16:38
Credits
Tim de Jong | Freelance Drupal Developer (tim_dj) Sudhanshu Dhage (sudhanshu0542) Damien McKenna (damienmckenna) Greg Knaddison (greggles) Juraj Nemec (poker10) Jess (xjm)
Show details on NVD website
To clipboard 

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Advisory\"]}]}}",
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      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.4, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-5343\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-05-29T18:38:28.307589Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-05-29T18:38:20.656Z\"}}], \"cna\": {\"title\": \"SAML SSO - Service Provider  - Critical - Authentication bypass - SA-CONTRIB-2026-031\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Tim de Jong | Freelance Drupal Developer (tim_dj)\"}, {\"lang\": \"en\", \"type\": \"remediation developer\", \"value\": \"Sudhanshu Dhage (sudhanshu0542)\"}, {\"lang\": \"en\", \"type\": \"coordinator\", \"value\": \"Damien McKenna (damienmckenna)\"}, {\"lang\": \"en\", \"type\": \"coordinator\", \"value\": \"Greg Knaddison (greggles)\"}, {\"lang\": \"en\", \"type\": \"coordinator\", \"value\": \"Juraj Nemec (poker10)\"}, {\"lang\": \"en\", \"type\": \"coordinator\", \"value\": \"Jess  (xjm)\"}], \"impacts\": [{\"capecId\": \"CAPEC-233\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-233 Privilege Escalation\"}]}], \"affected\": [{\"repo\": \"https://git.drupalcode.org/project/miniorange_saml\", \"vendor\": \"Drupal\", \"product\": \"SAML SSO - Service Provider\", \"versions\": [{\"status\": \"affected\", \"version\": \"0.0.0\", \"lessThan\": \"3.1.4\", \"versionType\": \"semver\"}], \"collectionURL\": \"https://www.drupal.org/project/miniorange_saml\", \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2026-04-01T16:38:00.000Z\", \"references\": [{\"url\": \"https://www.drupal.org/sa-contrib-2026-031\"}], \"x_generator\": {\"engine\": \"Vulnogram 1.0.2\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Improper Check for Unusual or Exceptional Conditions vulnerability in Drupal SAML SSO - Service Provider allows Privilege Escalation.\\n\\nThis issue affects SAML SSO - Service Provider: from 0.0.0 before 3.1.4.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Improper Check for Unusual or Exceptional Conditions vulnerability in Drupal SAML SSO - Service Provider allows Privilege Escalation.\u003cp\u003eThis issue affects SAML SSO - Service Provider: from 0.0.0 before 3.1.4.\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-754\", \"description\": \"CWE-754 Improper Check for Unusual or Exceptional Conditions\"}]}], \"providerMetadata\": {\"orgId\": \"2c85b837-eb8b-40ed-9d74-228c62987387\", \"shortName\": \"drupal\", \"dateUpdated\": \"2026-05-28T22:48:47.591Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-5343\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-05-29T18:38:36.072Z\", \"dateReserved\": \"2026-04-01T15:41:53.003Z\", \"assignerOrgId\": \"2c85b837-eb8b-40ed-9d74-228c62987387\", \"datePublished\": \"2026-05-28T22:48:47.591Z\", \"assignerShortName\": \"drupal\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.