[AutoPR- Security] Patch telegraf for CVE-2026-78662, CVE-2026-56855, CVE-2026-37236 [MEDIUM]

[Azure Linux Security Servicing Account (azurelinux-security)]

Auto Patch telegraf for CVE-2026-78662, CVE-2026-56855, CVE-2026-37236.

Autosec pipeline run -> https://dev.azure.com/mariner-org/mariner/_build/results?buildId=1199060&view=results

CVE-2026-37236 : Single Patch Backporter Pipeline Run -> https://dev.azure.com/mariner-org/mariner/_build/results?buildId=1199066&view=results

Merge Checklist

All boxes should be checked before merging the PR (just tick any boxes which don't apply to this PR)

• The toolchain has been rebuilt successfully (or no changes were made to it)
• The toolchain/worker package manifests are up-to-date
• Any updated packages successfully build (or no packages were changed)
• Packages depending on static components modified in this PR (Golang, *-static subpackages, etc.) have had their Release tag incremented.
• Package tests (%check section) have been verified with RUN_CHECK=y for existing SPEC files, or added to new SPEC files
• All package sources are available
• cgmanifest files are up-to-date and sorted (./cgmanifest.json, ./toolkit/scripts/toolchain/cgmanifest.json, .github/workflows/cgmanifest.json)
• LICENSE-MAP files are up-to-date (./LICENSES-AND-NOTICES/SPECS/data/licenses.json, ./LICENSES-AND-NOTICES/SPECS/LICENSES-MAP.md, ./LICENSES-AND-NOTICES/SPECS/LICENSE-EXCEPTIONS.PHOTON)
• All source files have up-to-date hashes in the *.signatures.json files
• sudo make go-tidy-all and sudo make go-test-coverage pass
• Documentation has been updated to match any changes to the build system
• Ready to merge

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Summary

What does the PR accomplish, why was it needed?

• Auto Patch telegraf for CVE-2026-78662 (MEDIUM), CVE-2026-56855 (MEDIUM), CVE-2026-37236 (MEDIUM).

Change Log

• CVE-2026-78662
• CVE-2026-56855
• CVE-2026-37236

Does this affect the toolchain?

YES/NO

Associated issues

• N/A

Links to CVEs

• https://nvd.nist.gov/vuln/detail/CVE-2026-78662
• https://nvd.nist.gov/vuln/detail/CVE-2026-56855
• https://nvd.nist.gov/vuln/detail/CVE-2026-37236

Test Methodology

• Pipeline build id: Buddy Build URL

[azure-pipelines]

Azure Pipelines:
There may be pipelines that require an authorized user to comment /azp run to run.

[Aditya Singh (v-aaditya)]

CVE-2026-37236 -

1. The patch matches with upstream, except the changes in files docs/docs/mapping/customizing_your_gateway.md and runtime/mux_test.go are not included as they are related to documentation and testing.
2. This patch is LGTM.

Buddy Build failed due to SPECS/telegraf/CVE-2026-78662.patch.
time="2026-09-09T02:08:37Z" level=debug msg="+ go build -mod=vendor ./cmd/telegraf" time="2026-09-09T02:08:53Z" level=debug msg="# golang.org/x/crypto/ssh" time="2026-09-09T02:08:53Z" level=debug msg="vendor/golang.org/x/crypto/ssh/channel.go:179:14: undefined: atomic"

[jykanase]

CVE-2026-37236 -

1. The patch matches with upstream, except the changes in files docs/docs/mapping/customizing_your_gateway.md and runtime/mux_test.go are not included as they are related to documentation and testing.
2. This patch is LGTM.

Buddy Build failed due to SPECS/telegraf/CVE-2026-78662.patch. time="2026-09-09T02:08:37Z" level=debug msg="+ go build -mod=vendor ./cmd/telegraf" time="2026-09-09T02:08:53Z" level=debug msg="# golang.org/x/crypto/ssh" time="2026-09-09T02:08:53Z" level=debug msg="vendor/golang.org/x/crypto/ssh/channel.go:179:14: undefined: atomic"

Fixed this error by defining sync/atomic in ssh/channel.go
Buddy Build after recent changes.

[Aditya Singh (v-aaditya)]

CVE-2026-78662 -

1. The AI patch has been modified to add import of sync/atomic module as atomic is not available in current version of crypto.
2. After the modification, the patch matches with upstream, except the changes in test file mux_test.go are not included as this file is not present.
3. The patch applies cleanly.
4. This patch is LGTM.

CVE-2026-56855 -

1. The patch completely matches with upstream patch, except the changes in test file mux_test.go are not included as this file is not present.
2. The patch applies cleanly.
3. The patch is LGTM.

Updated Buddy Build and it has passed.

[Kanishk Bansal (Kanishk-Bansal)]

Patch Analysis (Matches Upstream except CVE-2026-37236 where test files and .md file is absent in src tarball)

• Buddy Build 
• patch applied during the build (check rpm.log)
• patch include an upstream reference
• PR has security tag