Quick answers
- Is CVE-2026-121455 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-121455 being exploited in the wild.
- How severe is CVE-2026-121455?
- Medium severity, with a CVSS score of 5.4, published 3 November 2026.
- Which products and versions are affected?
- DbGate before 7.3.3.
- Is there a fix for CVE-2026-121455?
- Yes: fixed in 7.3.3. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-121455 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-121455?
- Check whether you run DbGate 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.
How to fix
- Fixed in: 7.3.3
Technical details
The vulnerability is a missing authorization check in the test() and save() endpoint handlers for database connections. Authenticated users can submit arbitrary connection definitions to POST /connections/test or /connections/save without passing through testConnectionPermission validation, allowing them to probe internal database hosts or overwrite existing connection definitions. The flaw affects versions before 7.3.3.
Affected products
- DbGate DbGate before 7.3.3
Timeline
- 2026-11-03: disclosed