Prowler: SAML Domain Claiming Enables Cross-Tenant Account Takeover
Published Jul 10, 2026
9.6
CRITICALCVSS 3.1
EPSS 0.53%
Description
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.
Affected products
-
- Version < 5.30.3StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Prowler-Cloud | Prowler | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
References (9)
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-42968 Advisory
- https://github.com/advisories/GHSA-h8m9-jgf8-vwvp Advisory
- https://github.com/prowler-cloud/prowler/commit/bf3b5c2ba713e533014927141b64948c82c8f32e x_refsource_MISCPatch
- https://github.com/prowler-cloud/prowler/commit/f5ff30ad175bd2edf02cd28872653c1cda5867b7 x_refsource_MISCPatch
- https://github.com/prowler-cloud/prowler/pull/11650 x_refsource_MISCIssue Tracking
- https://github.com/prowler-cloud/prowler/releases/tag/5.30.3 x_refsource_MISCRelease Notes
- https://github.com/prowler-cloud/prowler/security/advisories/GHSA-h8m9-jgf8-vwvp exploitx_refsource_CONFIRMVendor Advisory
- https://github.com/pypa/advisory-database/tree/main/vulns/prowler-cloud/PYSEC-2026-3725.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2026-59151
| Link | Providers | Tags |
|---|---|---|
| https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-42968 | Advisory | |
| https://github.com/advisories/GHSA-h8m9-jgf8-vwvp | Advisory | |
| https://github.com/prowler-cloud/prowler/commit/bf3b5c2ba713e533014927141b64948c82c8f32e | x_refsource_MISCPatch | |
| https://github.com/prowler-cloud/prowler/commit/f5ff30ad175bd2edf02cd28872653c1cda5867b7 | x_refsource_MISCPatch | |
| https://github.com/prowler-cloud/prowler/pull/11650 | x_refsource_MISCIssue Tracking | |
| https://github.com/prowler-cloud/prowler/releases/tag/5.30.3 | x_refsource_MISCRelease Notes | |
| https://github.com/prowler-cloud/prowler/security/advisories/GHSA-h8m9-jgf8-vwvp | exploitx_refsource_CONFIRMVendor Advisory | |
| https://github.com/pypa/advisory-database/tree/main/vulns/prowler-cloud/PYSEC-2026-3725.yaml | ||
| https://nvd.nist.gov/vuln/detail/CVE-2026-59151 |
Change history (0)
No recorded changes yet.