Quick answers
- Is CVE-2026-40820 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-40820 being exploited in the wild.
- How severe is CVE-2026-40820?
- Medium severity, with a CVSS score of 4.9, published 12 November 2026.
- Which products and versions are affected?
- MB connect line mbCONNECT24 2.20.0 and earlier; MB connect line mymbCONNECT24 2.20.0 and earlier.
- Is there a fix for CVE-2026-40820?
- 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-2026-40820 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-40820?
- 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
Multiple SQL injection flaws exist in mbCONNECT24 due to improper neutralization of user input in SQL SELECT commands across functions including getVpnData, userinfo endpoint, ssoabstractservice, and getLiveValues. These vulnerabilities are exploitable over the network without authentication, allowing attackers to query arbitrary database contents and extract confidential information.
Affected products
- MB connect line mbCONNECT24 2.20.0 and earlier
- MB connect line mymbCONNECT24 2.20.0 and earlier
Timeline
- 2026-05-27: disclosed
- 2026-08-25: advisory