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TI-2026-42374 Aliases CVE-2026-59233GHSA-4fxp-2m36-qv64

Missing Authorization in Prospero Flow CRM permission save endpoint allows privilege escalation

Priority MEDIUM 40CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

Missing Authorization in the permission management component in Roskus Prospero Flow CRM before 5.2.1 allows any authenticated user to grant any role, including their own, the complete set of application permissions via a crafted POST request to the permission save endpoint, which performs no authorization check before synchronizing the submitted permissions to the specified role.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00414 35th percentileScored 2026-11-07
Fix Fixed Prospero Flow CRM (Roskus): 5.2.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
RoskusProspero Flow CRMbefore 5.2.15.2.1Patch availableCNA
  • Prospero Flow CRM VendorRoskus Affected before 5.2.1 Fixed in 5.2.1 Patch available CNA

Remediation

  • Fix · CNA Prospero Flow CRM (Roskus) Fixed in 5.2.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-59233
  2. 2026-10-03 Alias added: GHSA-4fxp-2m36-qv64

References

Patch 1

Other 2

  • TI-2026-54500 IDOR and missing authorization in Prospero Flow CRM supplier API allows cross-tenant read and modification CVSS 4.0CRITICAL 9.3
  • TI-2026-16110 Use of hard-coded credentials in Prospero Flow CRM employee onboarding CVSS 4.0CRITICAL 9.3
  • TI-2026-42380 Stored XSS in Prospero Flow CRM email body allows administrator account takeover CVSS 4.0HIGH 8.6
  • TI-2026-42376 Missing authorization in Prospero Flow CRM allows low-privileged users to read all bank accounts CVSS 4.0HIGH 8.7
  • TI-2026-54153 IDOR and missing authorization in the Prospero Flow CRM transaction API allow cross-tenant reading of financial records CVSS 4.0HIGH 8.7
  • TI-2026-16008 IDOR in Prospero Flow CRM allows cross-tenant product disclosure and hijacking CVSS 4.0HIGH 8.6
See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences