How severe is CVE-2026-34018?

CVE-2026-34018 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-34018 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34018?

CVE-2026-34018 affects Cubecart. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-34018?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-34018 have an EU (EUVD) identifier?

Yes. CVE-2026-34018 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23368.

When was CVE-2026-34018 published?

CVE-2026-34018 was published on 2026-04-17 and last updated on 2026-06-17.

CVE-2026-34018

CVE-2026-34018 is a critical-severity vulnerability in Cubecart with a CVSS 3.x base score of 9.8. 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-89.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 5.1
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-23368
Weakness: CWE-89
Affected product: Cubecart
Published: 2026-04-17
Last modified: 2026-06-17

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.

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.
How severe is CVE-2026-34018?: CVE-2026-34018 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-34018 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34018?: CVE-2026-34018 affects Cubecart. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-34018?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-34018 have an EU (EUVD) identifier?: Yes. CVE-2026-34018 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23368.
When was CVE-2026-34018 published?: CVE-2026-34018 was published on 2026-04-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cubecart:cubecart:*:*:*:*:*:*:*:*

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