Quick answers
- Is CVE-2026-79391 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-79391 being exploited in the wild.
- How severe is CVE-2026-79391?
- Critical severity, with a CVSS score of 9.8, published 4 September 2026.
- Which products and versions are affected?
- Trueview Security Camera T18161 S 6.0.23.4.
- Is there a fix for CVE-2026-79391?
- 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-2026-79391 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-79391?
- Check whether you run Trueview Security Camera T18161 S 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
The vulnerability is an authentication bypass in the MQTT broker service running on TCP port 1883 of affected Trueview cameras. The MQTT service does not require or enforce client authentication, allowing any MQTT client with network access to establish a session. Once connected, an unauthenticated attacker can publish and subscribe to MQTT topics, potentially exposing operational data, intercepting commands, or injecting malicious payloads. The root cause is the lack of configured authentication mechanisms (username/password, client certificates, or other identity verification) in the MQTT broker configuration. No patched version has been publicly confirmed; vendors and users should restrict network access to the MQTT port or implement network-level authentication controls.
Affected products
- Trueview Security Camera T18161 S 6.0.23.4
Timeline
- 2026-09-04: disclosed