What is CVE-2025-26487?

CVE-2025-26487 is a high-severity vulnerability in Infinera Mtc-9, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.6/10. Published 2025-12-08.

How severe is CVE-2025-26487?

High severity. CVSS v3 base score is 8.6 out of 10.

SSRF in Infinera Mtc-9

CVE-2025-26487

Server-Side Request Forgery (SSRF) vulnerability in Infinera MTC-9 version allows remote unauthenticated users to gain access to other network resources using HTTPS requests through the appliance used as a bridge.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.003 (21.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

Affected products

Infinera Mtc-9 — versions R22.1.1.0275
Nokia Infinera_mtc-9
Nokia Infinera_mtc-9_firmware

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

a6d3dc9e-0591-4a13-bce7-0f5b31ff6158 (Third Party Advisory, government-resource)

Frequently asked questions

What is CVE-2025-26487?: CVE-2025-26487 is a high-severity vulnerability in Infinera Mtc-9, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.6/10. Published 2025-12-08.
How severe is CVE-2025-26487?: High severity. CVSS v3 base score is 8.6 out of 10.