CVE-2026-33613: Due to the improper neutralisation of special elements used in an OS command, a remote attacker can exploit an

Q: How do I fix CVE-2026-33613?

mbconnect24: upgrade to newer than 2.19.4; mymbconnect24: upgrade to newer than 2.19.4. Exact commands for each OS are on this page.

Q: Is CVE-2026-33613 being exploited?

CVE-2026-33613 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-2026-33613 affect?

CVE-2026-33613 affects mbconnect24, mymbconnect24. Severity is high (CVSS 7.2). Due to the improper neutralisation of special elements used in an OS command, a remote attacker can exploit an RCE vulnerability in the generateSrpArray function, resulting in full system compromise. This vulnerability can only be attacked

Routine

HIGH 7.2UPGRADEUPGRADE

CVE-2026-33613 is a high-severity flaw (CVSS 7.2) affecting mbconnect24, mymbconnect24. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Due to the improper neutralisation of special elements used in an OS command, a remote attacker can exploit an RCE vulnerability in the generateSrpArray function, resulting in full system compromise. This vulnerability can only be attacked if the attacker has some other way to write arbitrary data to the user table.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-04-02
Last modified	2026-10-26

Publisher (CNA): CERT VDE · Vendor: mbconnectline

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-02 10:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

mbconnectline mbconnect24 UPGRADE

Affected: <= 2.19.4

Fixed in: newer than 2.19.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mbconnect24 || rpm -q mbconnect24 || mbconnect24 --version

2. UPGRADE to newer than 2.19.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mbconnect24

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mbconnect24

Note

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

mbconnectline mymbconnect24 UPGRADE

Affected: <= 2.19.4

Fixed in: newer than 2.19.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mymbconnect24 || rpm -q mymbconnect24 || mymbconnect24 --version

2. UPGRADE to newer than 2.19.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mymbconnect24

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mymbconnect24

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-2026-33613?

mbconnect24: upgrade to newer than 2.19.4; mymbconnect24: upgrade to newer than 2.19.4. Exact commands for each OS are on this page.

Is CVE-2026-33613 being exploited?

CVE-2026-33613 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-2026-33613 affect?

CVE-2026-33613 affects mbconnect24, mymbconnect24. Severity is high (CVSS 7.2). Due to the improper neutralisation of special elements used in an OS command, a remote attacker can exploit an RCE vulnerability in the generateSrpArray function, resulting in full system compromise. This vulnerability can only be attacked

How urgent is CVE-2026-33613?

Priority 36/100. High severity

Related CVEs

CVE-2026-33615 CRITICAL 9.1 UPGRADE UPGRADE An unauthenticated remote attacker can exploit an unauthenticated SQL Injection vulnerability in the setinfo e
CVE-2026-33614 HIGH 7.5 UPGRADE UPGRADE An unauthenticated remote attacker can exploit an unauthenticated SQL Injection vulnerability in the getinfo e
CVE-2026-33617 MEDIUM 5.3 UPGRADE UPGRADE An unauthenticated remote attacker can access a configuration file containing database credentials
CVE-2026-33616 HIGH 7.5 UPGRADE UPGRADE An unauthenticated remote attacker can exploit an unauthenticated blind SQL Injection vulnerability in the mb2

References

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