01 Record
CVE-2026-59237
IDOR in Prospero Flow CRM Order API allows cross-tenant read and modification of orders
MediumPUBLISHEDCNA: Secur0
CNA base score6.9 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
02 Description
IDOR in Prospero Flow CRM Order API allows cross-tenant read and modification of orders
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.64% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 50.5% of scored records. A rank, not a probability.
- NVD base score
- 6.9 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-24.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-07-16 14:35Z3 MO AGO
- Last updated
- 2026-07-16 14:55Z3 MO AGO
- Reserved
- 2026-07-03
- Assigning CNA
- Secur0
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.9)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- Weaknesses
- CWE-639Authorization Bypass Through User-Controlled KeyBase
- Data version
- 5.2
- Document digest
- dbce4985b9ae190a75a5efa1c74f4f667ef3135b4772b570d7caa7a10c575258
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/Roskus/prospero-flow-crm/commit/9a859c4de3d49674916773d346c60d89ad7febe0
- github.comhttps://github.com/Roskus/prospero-flow-crm/releases/tag/v5.5.3
- secur0.comhttps://secur0.com/en/cna/cve-list/cve-2026-59237-idor-in-prospero-flow-crm-order-api-allows-cross-tenant-read-and-modification-of-orders
07 Remediation
Upgrade to version 5.5.3 or higher.