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CVE-2026-33186VulnerabilityPublished Updated

SUSE · Security update for elemental-system-agent

Affects SUSESource GCVE Database

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Authoritative record:CVE-2026-33186· Critical 9.1

Not known to be exploited · CVSS 9.1 Critical : upgrade SUSE grpc-go to 1.79.3 as a priority.

Data as of 10 Nov 2026, 20:06 UTC

CVSS 3.1 base score
9.1Critical
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 1.79.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Mar 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.

What to do

Upgrade grpc-go and github.com/grpc/grpc-go to 1.79.3.

Affected software

ProductAffectedFixed in
grpcgrpc-goAffected
  • <1.79.3
Fixed in
  • 1.79.3
Gogithub.com/grpc/grpc-gopkg:golang/github.com/grpc/grpc-goOther threatsAffected
  • <1.79.3
Fixed in
  • 1.79.3

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

Description

This update for elemental-system-agent fixes the following issue - CVE-2026-33186: google.golang.org/grpc: authorization bypass due to improper validation of the HTTP/2: path pseudo- header (bsc#1260277). Changes: - Update to version 0.3.16: * setup for immutable releases (#274) * align system-agent image publishing for signed releases (#270) * Bumo github.com/docker/cli to v29.2.0 and go.opentelemetry.io/otel to v1.43.0 * run go mod tidy in /test folder * Bump google.golang.org/grpc from 1.75.0 to 1.79.3 (bsc#1260277 CVE-2026-33186) * Bump github.com/docker/cli in /test * export CATTLE_NODE_NAME if SYSTEM_UPGRADE_NODE_NAME is set * use correct prefix for system-agent binary (#273) * checksum validation (#271) * Add `validate` subcommand for configuration validation (#250) * Update CODEOWNERS * Pin GH Actions to commit sha * chore: bump sles to 15.7 * Extend remote plan e2e tests * Fix agent restart issue and introduce constants * chore: bump go to v1.25 * Setup e2e test infrastructure * chores(deps): Bump k8s dependencies * Define linter rules * Fix CI failures * Introduce an extended Makefile * Switch workflows to use name makefile * Replace dapper with multi stage builds * Remove dapper scripts * Add multiple improvements for ignore files * fix: remove umask command from the system-agent unit-file * fix-system-agent-umask * [1.34] bumped dependencies for 1.34 support (#242) * Bump K8s patch level to 1.33.5 and Go patch level to 1.24.6 * fix: properly handle traps after unsuccessful SUC job execution * fix: do not unconditionally reset failure-counts * fix: remove resetFailureCountOnStartup, always reset failure counts on first start * un-rc wrangler and lasso * drop windows 2019 when running PR CI

References

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