CVE-2026-5750
CVE-2026-5750 is a high-severity vulnerability with a CVSS 4.0 base score of 7.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.
Key facts
- Severity: High (CVSS 4.0 base score 7.6)
- EPSS exploit prediction: 0% (11th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-24746
- Weakness: CWE-639
- Published:
- Last modified:
Description
An insecure direct object reference (IDOR) vulnerability in the Fullstep V5 registration process allows authenticated users to access data belonging to other registered users through various vulnerable authenticated resources in the application. The vulnerable endpoints result from: '/api/suppliers/v1/suppliers//false' to list user information; and '/#/supplier-registration/supplier-registration//2' to update your user information (personal details, documents, etc.).
Frequently asked questions
- What is CVE-2026-5750?
- An insecure direct object reference (IDOR) vulnerability in the Fullstep V5 registration process allows authenticated users to access data belonging to other registered users through various vulnerable authenticated resources in the application. The vulnerable endpoints result from: '/api/suppliers/v1/suppliers//false' to list user information; and '/#/supplier-registration/supplier-registration//2' to update your user information (personal details, documents, etc.).
- How severe is CVE-2026-5750?
- CVE-2026-5750 has a CVSS 4.0 base score of 7.6, rated high severity.
- Is CVE-2026-5750 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-5750?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-5750 have an EU (EUVD) identifier?
- Yes. CVE-2026-5750 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-24746.
- When was CVE-2026-5750 published?
- CVE-2026-5750 was published on 2026-04-22 and last updated on 2026-06-17.
References
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