Improper Authentication Affecting prowler package, versions [,5.30.3)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published11 Jul 2026
- disclosed10 Jul 2026
- creditUnknown
Introduced: 10 Jul 2026
NewCVE-2026-59151 (opens in a new tab)How to fix?
Upgrade prowler to version 5.30.3 or higher.
Overview
prowler is a Prowler is an Open Source security tool to perform AWS, GCP and Azure security best practices assessments, audits, incident response, continuous monitoring, hardening and forensics readiness. It contains hundreds of controls covering CIS, NIST 800, NIST CSF, CISA, RBI, FedRAMP, PCI-DSS, GDPR, HIPAA, FFIEC, SOC2, GXP, AWS Well-Architected Framework Security Pillar, AWS Foundational Technical Review (FTR), ENS (Spanish National Security Scheme) and your custom security frameworks.
Affected versions of this package are vulnerable to Improper Authentication via the SAML authentication flow, specifically in the ACS finish process. An attacker can gain unauthorized access to another tenant's account by controlling a SAML Identity Provider and asserting an email address from a different configured domain, resulting in the issuance of tokens for the wrong tenant.