CVE-2026-34018: An SQL injection vulnerability exists in CubeCart prior to 6.6.0, which may allow an attacker to execute an ar

Q: How do I fix CVE-2026-34018?

cubecart: upgrade to 6.6.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-34018 being exploited?

CVE-2026-34018 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-34018 affect?

CVE-2026-34018 affects cubecart. Severity is critical (CVSS 9.8). 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.

Q: How urgent is CVE-2026-34018?

Priority 41/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2026-34018 is a critical-severity flaw (CVSS 9.8) affecting cubecart. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 93%)
CISA exploited list	No
Weakness	CWE-89
Published	2026-04-17
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: cubecart

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-17 06:16 UTCPublished CVE record published
2026-06-17 10:38 UTCUpdated Record last modified

cubecart cubecart UPGRADE

Affected: < 6.6.0

Fixed in: 6.6.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy cubecart || rpm -q cubecart || cubecart --version

2. UPGRADE to 6.6.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade cubecart

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade cubecart

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-34018?

cubecart: upgrade to 6.6.0. Exact commands for each OS are on this page.

Is CVE-2026-34018 being exploited?

CVE-2026-34018 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-34018 affect?

CVE-2026-34018 affects cubecart. Severity is critical (CVSS 9.8). 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 urgent is CVE-2026-34018?

Priority 41/100. Critical severity; Remotely exploitable, no login, no user action

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CVE-2026-35496 LOW 2.7 UPGRADE A path traversal vulnerability exists in CubeCart prior to 6.6.0, which may allow a user with an administrativ

References

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