OAuth secret expressions fail to resolve during authentication after 4.20.0 upgrade
View the provider incident record →Current answer
Cribl experienced a minor incident: OAuth secret expressions fail to resolve during authentication after 4.20.0 upgrade. ServiceAlert observed recovery on Sep 18, 2026.
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Incident Lifecycle
Incident Timeline
Monitoring
Mitigated: We have identified the issue affecting OAuth secret expressions following the 4.20.0 upgrade and published a Known Issue with a workaround. Customers experiencing authentication failures can follow the documented workaround.
Known Issue can be found here: https://docs.cribl.io/results/?searchOption=known-issues&tickets=CRIBL-45304
Known Issue can be found here: https://docs.cribl.io/results/?searchOption=known-issues&tickets=CRIBL-45304
Sep 16, 2026 at 6:23 PM UTC
Monitoring
We have published a known issue with a workaround for this issue. See https://docs.cribl.io/results/?searchOption=known-issues&tickets=CRIBL-45304
Sep 16, 2026 at 5:57 PM UTC
Identified
The issue has been identified and a fix is being implemented.
Sep 16, 2026 at 5:44 PM UTC
Investigating
Update:
We are continuing our investigation regarding this issue.
We are continuing our investigation regarding this issue.
Sep 16, 2026 at 4:34 PM UTC
Investigating
Investigating: We are continuing to investigate an issue that may prevent OAuth secret expressions on Microsoft Sentinel destinations from resolving during authentication following the 4.20.0 upgrade.
Sep 16, 2026 at 3:33 PM UTC
Investigating
We are currently investigating this issue.
Sep 16, 2026 at 2:52 PM UTC
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