What is CVE-2026-45055?

CVE-2026-45055 is a high-severity vulnerability in Cubecart V6, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2026-05-13.

How severe is CVE-2026-45055?

High severity. CVSS v3 base score is 8.1 out of 10.

Open Redirect in Cubecart V6

CVE-2026-45055

CubeCart is an ecommerce software solution. Prior to 6.7.2, CubeCart 6.6.x – 6.7.1 builds CC_STORE_URL directly from the Host request header at bootstrap, with no allowlist. The constant is embedded verbatim into transactional email links…

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.000 (9.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.

Affected products

Cubecart V6 — versions < 6.7.2

Weakness classification (CWE)

CWE-20 — Improper Input Validation
CWE-345 — Insufficient Verification of Data Authenticity
CWE-601 — URL Redirection to Untrusted Site (Open Redirect)
CWE-784

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-45055?: CVE-2026-45055 is a high-severity vulnerability in Cubecart V6, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2026-05-13.
How severe is CVE-2026-45055?: High severity. CVSS v3 base score is 8.1 out of 10.