CVE-2026-5343

HIGH

Published May 28, 2026 Modified Jun 1, 2026 CWE-754

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.

CVSS v3.1 Score

7.4

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS — Exploit Prediction

0.0026

Probability of exploitation

0.17%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-754 CWE-754

Affected Products

Vendor	Product	Versions
miniorange	saml_sso_-_service_provider	3.0.1 — 3.1.4
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All
miniorange	saml_sso_-_service_provider	All

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2026-5343? +

How severe is CVE-2026-5343? +

CVE-2026-5343 has a CVSS v3.1 score of 7.4 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0026, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-5343? +

CVE-2026-5343 affects products from miniorange, specifically: saml_sso_-_service_provider. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-5343? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-35225

An unauthenticated remote attacker is able to exhaust all available TCP connections in the CODESYS EtherNet/IP adapter stack, preventing legitimate …

CVE-2025-0112

A problem with a detection mechanism in the Palo Alto Networks Cortex XDR agent on Windows devices enables a user …

CVE-2025-0116

A Denial of Service (DoS) vulnerability in Palo Alto Networks PAN-OS software causes the firewall to unexpectedly reboot when processing …

CVE-2025-0128

A denial-of-service (DoS) vulnerability in the Simple Certificate Enrollment Protocol (SCEP) authentication feature of Palo Alto Networks PAN-OS® software enables …

CVE-2025-0129

An improper exception check in Palo Alto Networks Prisma Access Browser allows a low privileged user to prevent Prisma Access …

CVE-2025-53359

ethereum is a common ethereum structs for Rust. Prior to ethereum crate v0.18.0, signature malleability (according to EIP-2) was only …