fix: resolve GHSA-g94r-2vxg-569j by bumping OpenTelemetry to 1.10.0 and MEL floor to 9.0.0#743
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Aaronontheweb merged 4 commits intoMay 17, 2026
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OpenTelemetry.Api 1.9.0 has a known moderate severity vulnerability (GHSA-g94r-2vxg-569j). Bumping the minimum version floor from [1.9.0,) to [1.10.0,) resolves the transitive pull of the vulnerable package.
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Ran into a snag — The fix is larger than a simple version bump: we'd need to also raise |
OpenTelemetry 1.10.0 pulls in Microsoft.Extensions.Logging.Configuration 9.0.0, which transitively requires Microsoft.Extensions.* >= 9.0.0. The previous floor of [8.0.0,) caused NU1605 downgrade errors across every project in the solution. Raising the floor to [9.0.0,) satisfies the transitive requirement without forcing adoption of unreleased .NET 10 packages.
Aaronontheweb
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…e requirements Bumping OpenTelemetry to 1.10.0 and MicrosoftExtensionsVersion to [9.0.0,) caused cascading NU1605 errors because several projects had hard-pinned 8.x floors on individual MEL sub-packages: - SystemTextJsonVersion: [8.0.5,) -> [9.0.0,) - Microsoft.Bcl.AsyncInterfaces: 8.0.0 -> 9.0.0 (TestKit, TestKit.Xunit2, and their test projects) - Microsoft.Extensions.Configuration.Json: 8.0.1 -> 9.0.0 (Akka.Hosting.Tests, Akka.Cluster.Hosting.Tests) - Microsoft.Extensions.Configuration.EnvironmentVariables: 8.0.0 -> 9.0.0 (Akka.Hosting.Tests) Also fixes NU1902 in the example project: bumps OpenTelemetry.Exporter.OpenTelemetryProtocol and OpenTelemetry.Extensions.Hosting from 1.10.0 to 1.15.3 (patches GHSA-4625-4j76-fww9, affects 1.8.0-1.15.2), and aligns Microsoft.Extensions.Hosting and Microsoft.Extensions.ServiceDiscovery to 9.x in the example project.
…oftExtensionsVersion) All Microsoft.Bcl.AsyncInterfaces, Microsoft.Extensions.Configuration.Json, and Microsoft.Extensions.Configuration.EnvironmentVariables references that were individually hard-pinned to 8.x or 9.0.0 literals now use \$(MicrosoftExtensionsVersion) from Directory.Build.props. Microsoft.Extensions.Hosting in Akka.Hosting.LoggingDemo was pinned at 6.0.0 and is now also on \$(MicrosoftExtensionsVersion). A single bump to MicrosoftExtensionsVersion in Directory.Build.props will now keep all these sub-packages in sync automatically.
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Summary
OpenTelemetryminimum version floor inAkka.Hosting.csprojfrom[1.9.0,)to[1.10.0,)OpenTelemetry.Extensions.HostingandOpenTelemetry.Exporter.OpenTelemetryProtocolin the example project from1.9.0to1.10.0Why
OpenTelemetry.Api1.9.0 has a known moderate severity vulnerability (GHSA-g94r-2vxg-569j). BecauseAkka.HostingpinnedOpenTelemetry >= 1.9.0, NuGet resolved to exactly 1.9.0, which pulled the vulnerableOpenTelemetry.Api1.9.0 into downstream consumers.This was discovered when a Dependabot PR in
akkadotnet/akka.net(#8192) bumpedAkka.Managementto 1.5.67 (which depends onAkka.Hosting1.5.67). The build failed with:Bumping the minimum to
[1.10.0,)resolves the transitive pull of the vulnerable package.OpenTelemetry.Api1.10.0 is not affected by the vulnerability.Test plan