CVE-2026-34018

CRITICAL

Published Apr 17, 2026 Modified Apr 20, 2026 CWE-89

Description

An SQL injection vulnerability exists in CubeCart prior to 6.6.0, which may allow an attacker to execute an arbitrary SQL statement on the product.

CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0003

Probability of exploitation

0.09%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-89 SQL Injection

Affected Products

Vendor	Product	Versions
cubecart	cubecart	< 6.6.0

References

Other References

https://community.cubecart.com/t/cubecart-6-6-0-released-the-biggest-update-in-years/62405 https://jvn.jp/en/jp/JVN78422311/

Frequently Asked Questions

What is CVE-2026-34018? +

An SQL injection vulnerability exists in CubeCart prior to 6.6.0, which may allow an attacker to execute an arbitrary SQL statement on the product. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-34018? +

CVE-2026-34018 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0003, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-34018? +

CVE-2026-34018 affects products from cubecart, specifically: cubecart. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-34018? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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