Companies/Cribl/Incidents

Cribl: OAuth secret expressions fail to resolve during authentication after 4.20.0 upgrade

Timeline of updates

1. investigating2026-09-16 14:52 UTC

   We are currently investigating this issue.

2. investigating2026-09-16 15:33 UTC

   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.

3. investigating2026-09-16 16:34 UTC

   Update: We are continuing our investigation regarding this issue.

4. identified2026-09-16 17:44 UTC

   The issue has been identified and a fix is being implemented.

5. monitoring2026-09-16 17:57 UTC

   We have published a known issue with a workaround for this issue. See https://docs.cribl.io/results/?searchOption=known-issues&tickets=CRIBL-45304

6. monitoring2026-09-16 18:23 UTC

   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

7. resolved2026-09-18 19:41 UTC

   This incident has been resolved.

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).

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