Denial-Of-Service (DoS)

ESPHome is vulnerable to a Denial-Of-Service DoS. The vulnerability is due to an integer overflow in the API protobuf decoder, where an attacker-controlled fieldlength value can overflow the bounds check in proto.cpp, bypassing validation and causing invalid memory access that crashes the device,...

GHSA-4H3H-63V6-88QX ESPHome vulnerable to denial-of-service via out-of-bounds check bypass in the API component

Summary An integer overflow in the API component's protobuf decoder allows denial-of-service attacks when API encryption is not used. Details The bounds check ptr + fieldlength end in components/api/proto.cpp can overflow when a malicious client sends a large fieldlength value. This affects all...

CVE-2026-23833

ESPHome is a system to control microcontrollers remotely through Home Automation systems. In versions 2025.9.0 through 2025.12.6, an integer overflow in the API component's protobuf decoder allows denial-of-service attacks when API encryption is not used. The bounds check ptr + fieldlength end in...

Sensitive Information Disclosure

ethycafides is vulnerable to Information Disclosure. The vulnerability is due to improper masking of nested sensitive fields such as privatekey in the BigQuery connection configuration, which allows an attacker to expose the sensitive fields in plaintext via certain API endpoints...

Default configuration

If Elastic Endpoint v7.9.0 - v8.10.3 is configured to use a non-default option in which the logging level is explicitly set to debug, and when Elastic Agent is simultaneously configured to collect and send those logs to Elasticsearch, then Elastic Agent API keys can be viewed in Elasticsearch in...

CVE-2023-46668: Insertion of Sensitive Information into Log File

If Elastic Endpoint v7.9.0 - v8.10.3 is configured to use a non-default option in which the logging level is explicitly set to debug, and when Elastic Agent is simultaneously configured to collect and send those logs to Elasticsearch, then Elastic Agent API keys can be viewed in Elasticsearch in...

Endpoint v8.10.4 Security Update

Elastic Endpoint Insertion of Sensitive Information into Log File ESA-2023-21 If Elastic Endpoint v7.9.0 - v8.10.3 is configured to use a non-default option in which the logging level is explicitly set to debug, and when Elastic Agent is simultaneously configured to collect and send those logs to...

CloudBees Jenkins Tinfoil Security Plugin Information Disclosure Vulnerability

CloudBees Jenkins is the United States CloudBees company's set of Java-based development of continuous integration tools , it is mainly used to monitor the continuous software version of the release/testing project and some of the timed execution of the task . Tinfoil Security Plugin is used in o...

Hijacking Philips Hue

We were filming a smart home hacking piece on the 5th May this year. Like most home users, the Wi-Fi PSK wasn’t strong enough, so we cracked it and joined the network. The user had a Philips Hue lighting system. None of us here had looked at Hue before - we made an assumption after the previous...