Quick answers
- Is CVE-2026-40842 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-40842 being exploited in the wild.
- How severe is CVE-2026-40842?
- Medium severity, with a CVSS score of 6.5, published 27 May 2026.
- Which products and versions are affected?
- MB connect line mbCONNECT24 <= 2.20.0; MB connect line mymbCONNECT24 <= 2.20.0.
- Is there a fix for CVE-2026-40842?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-40842 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-40842?
- Check whether you run MB connect line mbCONNECT24 or MB connect line mymbCONNECT24 at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A SQL injection vulnerability exists in the getWidgetTags function of MB connect line mbCONNECT24 and mymbCONNECT24 firmware versions 2.20.0 and earlier. The issue stems from improper neutralization of special elements within a SQL SELECT command (CWE-89). A remote attacker with low-privileged credentials can exploit this vulnerability over the network without user interaction. Successful exploitation allows the attacker to execute arbitrary SQL queries against the backend database, potentially resulting in the unauthorized extraction of all stored data. The vulnerability is addressed in versions newer than 2.20.0.
Affected products
- MB connect line mbCONNECT24 <= 2.20.0
- MB connect line mymbCONNECT24 <= 2.20.0
Timeline
- 2026-05-27: disclosed
- 2026-05-27: advisory