CVE-2019-12496
Hybrid Group Gobot Improper Certificate Validation vulnerability
An issue was discovered in Hybrid Group Gobot before 1.13.0. The mqtt subsystem skips verification of root CA certificates by default.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in Hybrid Group Gobot before 1.13.0. The mqtt subsystem skips verification of root CA certificates by default.
- Record
CVE-2019-12496- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in Hybrid Group Gobot before 1.13.0. The mqtt subsystem skips verification of root CA certificates by default.
- Record
CVE-2019-12496- Updated
- 2026-11-02
EUVDEUVD-2022-5350 No score
An issue was discovered in Hybrid Group Gobot before 1.13.0. The mqtt subsystem skips verification of root CA certificates by default.
- Record
EUVD-2022-5350- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vfxc-r2gx-v2vq
Hybrid Group Gobot Improper Certificate Validation vulnerability
An issue was discovered in Hybrid Group Gobot before 1.13.0. The mqtt subsystem skips verification of root CA certificates by default.
Specific Go Packages Affected
github.com/hybridgroup/gobot/platforms/mqtt
- Record
GHSA-vfxc-r2gx-v2vq- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
OSV
An issue was discovered in Hybrid Group Gobot before 1.13.0. The mqtt subsystem skips verification of root CA certificates by default.
- Record
CVE-2019-12496- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-vfxc-r2gx-v2vq
Hybrid Group Gobot Improper Certificate Validation vulnerability
An issue was discovered in Hybrid Group Gobot before 1.13.0. The mqtt subsystem skips verification of root CA certificates by default.
Specific Go Packages Affected
github.com/hybridgroup/gobot/platforms/mqtt
- Record
GHSA-vfxc-r2gx-v2vq- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
OSVGO-2021-0083 No score
Improper certificate validation in github.com/hybridgroup/gobot
TLS certificate verification is skipped when connecting to a MQTT server. This allows an attacker who can MITM the connection to read, or forge, messages passed between the client and server.
- Record
GO-2021-0083- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/hybridgroup/gobotGo |
before 1.12.1-0.20190521122906-c1aa4f867846 | 1.12.1-0.20190521122906-c1aa4f867846 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-12496 is a high vulnerability (CVSS 7.5) in Hybridgroup Gobot, published May 31, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.71%, the 53rd percentile. Fixed in github.com/hybridgroup/gobot 1.12.1-0.20190521122906-c1aa4f867846.
References
github.com/hybridgroup/gobot/releases/tag/v1.13.0
nvd.nist.gov/vuln/detail/CVE-2019-12496
pkg.go.dev/vuln/GO-2021-0083