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Prometheus is an open-source monitoring system and time series database. Prior to versions 3.5.3 and 3.11.3, the client_secret field in the Azure AD remote write OAuth configuration (storage/remote/azuread) was typed as string instead of Secret. Prometheus redacts fields of type Secret when serving the configuration via the /-/config HTTP API endpoint. Because the field was a plain string, the Azure OAuth client secret was exposed in plaintext to any user or process with access to that endpoint. This issue has been patched in versions 3.5.3 and 3.11.3.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade opentelemetry-collector | Jul 7, 2026 | Jul 1, 2026 |
| Alpine Linux | — | Upgrade prometheus | May 5, 2026 | May 4, 2026 |
| Redhat_linux | — | Upgrade flightctl-agentUpgrade flightctl-selinuxUpgrade flightctl-servicesUpgrade opentelemetry-collectorUpgrade flightctl-observabilityUpgrade flightctl-cli | Jul 3, 2026 | May 4, 2026 |
| Rocky_linux | — | Upgrade opentelemetry-collector | Jul 7, 2026 | Jul 5, 2026 |
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