What is CVE-2025-0987?

CVE-2025-0987 is a critical-severity vulnerability in Cb Project Ltd. Co. Cvland, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.9/10. Published 2025-11-03.

How severe is CVE-2025-0987?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Auth bypass in Cb Project Ltd. Co. Cvland

CVE-2025-0987

Authorization Bypass Through User-Controlled Key vulnerability in CB Project Ltd. Co. CVLand allows Parameter Injection. This issue affects CVLand: from 2.1.0 through 20251103. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2025-11-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L.

EPSS exploit prediction

EPSS: 0.003 (19.4th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 19.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Cb Project Ltd. Co. Cvland — versions 2.1.0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

www.usom.gov.tr/bildirim/tr-25-0371 (government-resource, broken-link)
siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-25-0371 (government-resource)

Frequently asked questions

What is CVE-2025-0987?: CVE-2025-0987 is a critical-severity vulnerability in Cb Project Ltd. Co. Cvland, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.9/10. Published 2025-11-03.
How severe is CVE-2025-0987?: Critical severity. CVSS v3 base score is 9.9 out of 10.