CVE-2026-59233Network attack vector

Authenticated privilege escalation via unchecked permission synchronization

Published Aug 10, 2026 · Updated Aug 10, 2026

Missing authorization in Roskus Prospero Flow CRM before 5.2.1 allows remote authenticated users to grant any role all application permissions. PermissionSaveController passes attacker-supplied role IDs and permission arrays directly to syncPermissions without a route or controller authorization check. Any signed-in role, including Seller, can assign its own role all 38 defined permissions and gain full application privileges.

CVSS severity8.7
High
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in Roskus Prospero Flow CRM before 5.2.1 allows remote authenticated users to grant any role all application permissions. PermissionSaveController passes attacker-supplied role IDs and permission arrays directly to syncPermissions without a route or controller authorization check. Any signed-in role, including Seller, can assign its own role all 38 defined permissions and gain full application privileges.

The record

CVE
CVE-2026-59233
Published
Aug 10, 2026
Updated
Aug 10, 2026
Vendor
Roskus
Product
Prospero Flow CRM
Classifications
CWE-639, CAPEC-1, T1098
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 10, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 10, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <5.2.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Roskus · Prospero Flow CRMversion=0 <5.2.1

Published CVSS scores

8.7Secur0CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-639Authorization Bypass Through User-Controlled Key
CAPEC-1Accessing Functionality Not Properly Constrained by ACLs
T1098Account Manipulation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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