prowler-cloud Prowler up to 5.30.2 SAML Authentication Flow views.py email assertion

Summaryinfo

A vulnerability classified as critical has been found in prowler-cloud Prowler up to 5.30.2. This issue affects some unknown processing of the file api/src/backend/api/v1/views.py of the component SAML Authentication Flow. The manipulation of the argument email leads to assertion. This vulnerability is traded as CVE-2026-59151. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in prowler-cloud Prowler up to 5.30.2. This issue affects some unknown processing of the file api/src/backend/api/v1/views.py of the component SAML Authentication Flow. The manipulation of the argument email with an unknown input leads to a assertion vulnerability. Using CWE to declare the problem leads to CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Prowler is a cloud security platform. Prior to 5.30.3, Prowler's SAML authentication flow trusted the email domain asserted in a SAMLResponse when deciding which tenant should receive the final token, and the ACS finish logic in api/src/backend/api/v1/views.py recalculated the tenant from user.email instead of binding token issuance to the validated SAML configuration. An authenticated attacker with a controlled SAML IdP could complete a valid SAML flow for an attacker-controlled domain while asserting an email address from another configured domain, causing a SAMLToken and tenant-scoped JWT to be issued for the wrong tenant and enabling cross-tenant account takeover. This issue is fixed in version 5.30.3.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-59151 since 07/02/2026. The exploitation is known to be easy. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 5.30.3 eliminates this vulnerability.

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Productinfo

Type

• Cloud Software

Vendor

• prowler-cloud

Name

• Prowler

Version

• 5.30.0
• 5.30.1
• 5.30.2

Website

• Product: https://github.com/prowler-cloud/prowler/

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