How severe is CVE-2026-5343?

CVE-2026-5343 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2026-5343 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-5343?

CVE-2026-5343 primarily affects Miniorange Saml Sso - Service Provider. In total, 77 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-5343?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-5343 have an EU (EUVD) identifier?

Yes. CVE-2026-5343 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33228.

When was CVE-2026-5343 published?

CVE-2026-5343 was published on 2026-05-28 and last updated on 2026-06-17.

CVE-2026-5343

CVE-2026-5343 is a high-severity vulnerability in Miniorange Saml Sso - Service Provider with a CVSS 3.x base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-754.

Key facts

Severity: High (CVSS 3.x base score 7.4)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33228
Weakness: CWE-754
Affected product: Miniorange Saml Sso - Service Provider
Published: 2026-05-28
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2026-5343?: 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.
How severe is CVE-2026-5343?: CVE-2026-5343 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-5343 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-5343?: CVE-2026-5343 primarily affects Miniorange Saml Sso - Service Provider. In total, 77 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-5343?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-5343 have an EU (EUVD) identifier?: Yes. CVE-2026-5343 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33228.
When was CVE-2026-5343 published?: CVE-2026-5343 was published on 2026-05-28 and last updated on 2026-06-17.

References

https://www.drupal.org/sa-contrib-2026-031

Affected products (77)

cpe:2.3:a:miniorange:saml_sso_-_service_provider:*:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.0:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.1:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.2:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.3:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.4:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.5:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.6:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.7:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.8:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.9:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.91:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.92:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.93:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.94:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.95:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.96:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.97:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.98:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.99:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.991:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.992:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.993:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.994:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-1.995:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-2.0:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-2.1:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-2.2:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-2.3:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-2.4:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-2.5:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-2.51:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-2.52:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-2.53:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-2.54:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-2.55:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-2.56:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-2.60:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-2.61:*:*:*:*:drupal:*:*
cpe:2.3:a:miniorange:saml_sso_-_service_provider:7.x-2.70:*:*:*:*:drupal:*:*

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