Werk #19813: Test connection to host: honor SNMPv3 credentials entered in the form

Component	Setup
Title	Test connection to host: honor SNMPv3 credentials entered in the form
Date	Apr 22, 2026
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.6.0b1 Not yet released Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT 2.5.0p1 Not yet released Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT 2.4.0p27 Not yet released Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Cloud, Checkmk Ultimate MT 2.3.0p47 Not yet released Checkmk Community, Checkmk Pro, Checkmk Ultimate, Checkmk Ultimate MT

When running connection tests on the Test connection to host page, any SNMPv3 credentials you entered in the form were silently ignored. The tests ran against the credentials already saved on the host, so editing the form had no effect. When the host had no stored SNMPv3 credentials, the tests failed with the misleading error API Error: Decryption of SNMPv3 password failed.

This has been fixed. The values you enter on the page are now forwarded correctly, and changes take effect on the next test run.

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