High severity · published Aug 11, 2026
CVE-2026-19539
IDOR in Prospero Flow CRM allows cross-tenant ticket read, hijacking, and deletion
8.6
CVSS
0.4%
EPSS
No
On KEV
Description
Authorization Bypass Through User-Controlled Key in the ticket management component in Roskus Prospero Flow CRM before 5.4.9 allows authenticated users of any company to read the full content (title, description, and attachments) of tickets belonging to another company, to hijack another company's tickets by reassigning their company_id, and to delete another company's tickets without any authorization check, via the ticket's numeric identifier, because the read and save operations retrieve the record without constraining the query to the authenticated user's company, and the delete controller type-hints a generic Illuminate\Http\Request instead of the TicketDeleteRequest that would enforce the required permission.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PF
Prospero Flow CRM · Roskus
before 5.4.9 · source: vendor
Affected product
PF
Prospero Flow CRM
Roskus
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