High 8.7Published Aug 10, 2026

CVE-2026-59233Missing Authorization in Prospero Flow CRM permission save endpoint allows privilege escalation

Updated under an hour ago (2026-10-19 13:00 UTC)

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It affects Roskus Prospero Flow CRM. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Roskus Prospero Flow CRM

Exploited in the last 30 days

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.

CVSS: 8.7 HIGH (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness (CWE): CWE-639
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Secur0
NVD analysis: Deferred
Record last updated: Aug 10, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Roskus Prospero Flow CRM roskus:prospero_flow_crm (from the name)	before 5.2.1	CNA record

References

https://github.com/Roskus/prospero-flow-crm/commit/86a7d6557bd111518a221f4575ad6e36087e19d3patch
https://github.com/Roskus/prospero-flow-crm/releases/tag/v5.5.3release-notes
https://secur0.com/en/cna/cve-list/cve-2026-59233-missing-authorization-in-prospero-flow-crm-permission-endpointtechnical-description

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.