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fix: redact MQTT password from log output (#10064)

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MQTT password was logged in cleartext via LOG_INFO when connecting to
the broker, exposing credentials to anyone with log access. Replace
the password format specifier with a static mask.

Co-authored-by: Patrickschell609 <patrickschell609@users.noreply.github.com>
Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Patrickschell609
2026-04-05 07:54:51 -05:00
committed by GitHub
co-authored by GitHub Patrickschell609 Claude Opus 4.6
parent 2f19a1d7a4
commit 9322bcdb21
1 changed files with 2 additions and 2 deletions
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src/mqtt/MQTT.cpp
+2 -2
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@@ -322,8 +322,8 @@ bool connectPubSub(const PubSubConfig &config, PubSubClient &pubSub, Client &cli
pubSub.setClient(client);
pubSub.setServer(config.serverAddr.c_str(), config.serverPort);
LOG_INFO("Connecting directly to MQTT server %s, port: %d, username: %s, password: %s", config.serverAddr.c_str(),
config.serverPort, config.mqttUsername, config.mqttPassword);
LOG_INFO("Connecting directly to MQTT server %s, port: %d, username: %s, password: ***", config.serverAddr.c_str(),
config.serverPort, config.mqttUsername);
// Generate node ID from nodenum for client identification
std::string nodeId = nodeDB->getNodeId();