Vulnerability Reportrancher/k3s:v1.33.13-rc1-k3s1

rancher/k3s:v1.33.13-rc1-k3s1
digestsha256:29238ac61fd24f886101b332fad3c78d3da04bd202be3852f81e5f48965c4e2a

Executive Summary

Last scanned:

Threat Score
100/100DANGEROUS
Reputation
TRUSTED

This image poses a critical security risk and must not be used in production, especially as an internet-facing service. An attacker could exploit CVE-2026-33186 to bypass authorization in gRPC, gaining unauthorized access to sensitive endpoints, or use CVE-2026-50195 to poison the local image cache and execute arbitrary code in victim pods. Additionally, CVE-2026-53488 may allow arbitrary command execution on the host through malicious image labels. Note that CVE-2026-53492 (CDI annotation smuggling) only applies if Container Device Interface (CDI) is enabled on the node; ensure CDI is disabled if this image is used in a controlled environment. Upgrading to patched versions of gRPC and containerd is essential to mitigate these risks.

Hardening plan for this image · 4 steps

Included in Pro

Scanning procedure

  1. Vulnerability scan
    Full CVE sweep across OS packages and app dependencies
  2. Exploitability check
    CVEs ranked by exploit probability (EPSS) and matched against CISA KEV
  3. Reachability analysis
    Symbol-level proof: is the vulnerable code even linked and callable in your binaries?
  4. Runtime verification
    Live-container probes: exposed endpoints, feature flags, real defaults
  5. Supply chain analysis
    Base-image lineage, package provenance and signatures — nothing slipped in unnoticed
  6. Hardening recommendations
    A hardened build plan — patch, remove unused packages, lock down the runtime — with parity tests proving nothing broke

Vulnerabilities

Vulnerability Log

58 total
CVE IDAdjusted SeverityPackageExploit ProbabilityRisk Context
CVE-2026-33186CRITICAL9.1
google.golang.org/grpc
v1.78.0
fixed in 1.79.3
1.6%
Low-Moderate Risk
Directly ExposedContext importance: HIGH
CVE-2026-33186CRITICAL9.1
google.golang.org/grpc
v1.72.1
fixed in 1.79.3
1.6%
Low-Moderate Risk
Directly ExposedContext importance: HIGH
CVE-2026-50195HIGH8.42
github.com/containerd/containerd/v2
v2.2.4-k3s1.33
fixed in 2.1.9, 2.2.5, 2.3.2
0.3%
Theoretical Threat
Directly ExposedContext importance: HIGH
CVE-2026-53492HIGH8.16
github.com/containerd/containerd/v2
v2.2.4-k3s1.33
fixed in 2.1.9, 2.2.5, 2.3.2
0.3%
Theoretical Threat
Directly ExposedContext importance: HIGH
CVE-2026-53488HIGH7.48
github.com/containerd/containerd/v2
v2.2.4-k3s1.33
fixed in 2.0.10, 2.1.9, 2.2.5, 2.3.2
0.2%
Theoretical Threat
Directly ExposedContext importance: HIGH
CVE-2026-39822MEDIUM6.63
stdlib
v1.25.11
fixed in 1.25.12, 1.26.5, 1.27.0-rc.2
0.2%
Theoretical Threat
Directly ExposedContext importance: HIGH
CVE-2026-46680MEDIUM6.63
github.com/containerd/containerd/v2
v2.2.4-k3s1.33
fixed in 2.0.9, 2.2.4, 2.3.1
0.2%
Theoretical Threat
Directly ExposedContext importance: HIGH
CVE-2026-46597MEDIUM6.38
golang.org/x/crypto
v0.47.0
fixed in 0.52.0
0.5%
Theoretical Threat
Directly Exposed
CVE-2026-42508MEDIUM6.29
golang.org/x/crypto
v0.47.0
fixed in 0.52.0
0.6%
Theoretical Threat
Directly Exposed
CVE-2026-42306MEDIUM6.12
github.com/docker/docker
v25.0.15-0.20260325154711-d2dbc0547253+incompatible
No fix yet
0.1%
Theoretical Threat
Directly Exposed
CVE-2026-46595MEDIUM6.03
golang.org/x/crypto
v0.47.0
fixed in 0.52.0
0.5%
Theoretical Threat
Directly Exposed
CVE-2026-39821MEDIUM5.58
golang.org/x/net
v0.47.0
fixed in 0.55.0
0.7%
Theoretical Threat
Directly ExposedContext importance: MEDIUM
CVE-2026-39821MEDIUM5.58
golang.org/x/net
v0.43.0
fixed in 0.55.0
0.7%
Theoretical Threat
Directly ExposedContext importance: MEDIUM
CVE-2026-53489MEDIUM5.52
github.com/containerd/containerd/v2
v2.2.4-k3s1.33
fixed in 2.1.9, 2.2.5, 2.3.2
0.2%
Theoretical Threat
Directly Exposed
CVE-2026-25680MEDIUM5.52
golang.org/x/net
v0.47.0
fixed in 0.55.0
0.3%
Theoretical Threat
Directly Exposed
CVE-2026-39827MEDIUM5.52
golang.org/x/crypto
v0.47.0
fixed in 0.52.0
0.3%
Theoretical Threat
Directly Exposed
CVE-2026-39834MEDIUM5.52
golang.org/x/crypto
v0.47.0
fixed in 0.52.0
0.5%
Theoretical Threat
Directly Exposed
CVE-2026-25680MEDIUM5.52
golang.org/x/net
v0.43.0
fixed in 0.55.0
0.3%
Theoretical Threat
Directly Exposed
CVE-2026-42502MEDIUM5.18
golang.org/x/net
v0.47.0
fixed in 0.55.0
0.2%
Theoretical Threat
Directly Exposed
CVE-2026-42502MEDIUM5.18
golang.org/x/net
v0.43.0
fixed in 0.55.0
0.2%
Theoretical Threat
Directly Exposed
CVE-2026-47262MEDIUM4.67
github.com/containerd/containerd/v2
v2.2.4-k3s1.33
fixed in 2.0.10, 2.1.9, 2.2.5, 2.3.2
0.3%
Theoretical Threat
Directly Exposed
CVE-2026-39833MEDIUM4.67
golang.org/x/crypto
v0.47.0
fixed in 0.52.0
0.4%
Theoretical Threat
Directly Exposed
CVE-2026-42506MEDIUM4.59
golang.org/x/net
v0.47.0
fixed in 0.55.0
0.2%
Theoretical Threat
Directly Exposed
CVE-2026-42506MEDIUM4.59
golang.org/x/net
v0.43.0
fixed in 0.55.0
0.2%
Theoretical Threat
Directly Exposed
CVE-2026-42505MEDIUM4.5
stdlib
v1.25.11
fixed in 1.25.12, 1.26.5, 1.27.0-rc.2
0.3%
Theoretical Threat
Directly Exposed
CVE-2026-46598MEDIUM4.5
golang.org/x/crypto
v0.47.0
fixed in 0.52.0
0.4%
Theoretical Threat
Directly Exposed
CVE-2025-47911MEDIUM4.5
golang.org/x/net
v0.43.0
fixed in 0.45.0
0.5%
Theoretical Threat
Directly Exposed
CVE-2025-58190MEDIUM4.5
golang.org/x/net
v0.43.0
fixed in 0.45.0
0.5%
Theoretical Threat
Directly Exposed
CVE-2026-41568LOW3.31
github.com/docker/docker
v25.0.15-0.20260325154711-d2dbc0547253+incompatible
No fix yet
0.1%
Theoretical Threat
Directly Exposed
CVE-2026-34040LOW3.23
github.com/docker/docker
v25.0.15-0.20260325154711-d2dbc0547253+incompatible
fixed in 29.3.1
10.1%
High Exploitation Risk
Post-Exploit
CVE-2026-41579LOW3.06
github.com/opencontainers/runc
v1.4.2
fixed in 1.3.6, 1.4.3, 1.5.0-rc.3
0.2%
Theoretical Threat
Directly Exposed
CVE-2026-39828LOW2.69
golang.org/x/crypto
v0.47.0
fixed in 0.52.0
0.4%
Theoretical Threat
Post-Exploit
CVE-2026-39832LOW2.66
golang.org/x/crypto
v0.47.0
fixed in 0.52.0
0.6%
Theoretical Threat
Post-Exploit
CVE-2026-25681LOW2.48
golang.org/x/net
v0.47.0
fixed in 0.55.0
0.2%
Theoretical Threat
Post-Exploit
CVE-2026-27136LOW2.48
golang.org/x/net
v0.47.0
fixed in 0.55.0
0.2%
Theoretical Threat
Post-Exploit
CVE-2026-33997LOW2.48
github.com/docker/docker
v25.0.15-0.20260325154711-d2dbc0547253+incompatible
fixed in 29.3.1
0.4%
Theoretical Threat
Post-Exploit
CVE-2026-39831LOW2.48
golang.org/x/crypto
v0.47.0
fixed in 0.52.0
0.4%
Theoretical Threat
Post-Exploit
CVE-2026-25681LOW2.48
golang.org/x/net
v0.43.0
fixed in 0.55.0
0.2%
Theoretical Threat
Post-Exploit
CVE-2026-27136LOW2.48
golang.org/x/net
v0.43.0
fixed in 0.55.0
0.2%
Theoretical Threat
Post-Exploit
CVE-2026-33814LOW2.29
golang.org/x/net
v0.47.0
fixed in 0.53.0
0.8%
Theoretical Threat
Post-Exploit
CVE-2026-41567LOW2.29
github.com/docker/docker
v25.0.15-0.20260325154711-d2dbc0547253+incompatible
No fix yet
0.2%
Theoretical Threat
Post-Exploit
CVE-2026-40898LOW2.29
github.com/quic-go/quic-go
v0.59.0
fixed in 0.59.1
0.4%
Theoretical Threat
Post-Exploit
CVE-2026-39829LOW2.29
golang.org/x/crypto
v0.47.0
fixed in 0.52.0
0.5%
Theoretical Threat
Post-Exploit
CVE-2026-39830LOW2.29
golang.org/x/crypto
v0.47.0
fixed in 0.52.0
0.6%
Theoretical Threat
Post-Exploit
CVE-2026-39835LOW2.29
golang.org/x/crypto
v0.47.0
fixed in 0.52.0
0.5%
Theoretical Threat
Post-Exploit
CVE-2026-33814LOW2.29
golang.org/x/net
v0.43.0
fixed in 0.53.0
0.8%
Theoretical Threat
Post-Exploit
CVE-2026-46600NONE0
golang.org/x/net
v0.47.0
fixed in 0.56.0
0.3%
Theoretical Threat
Not Applicable
CVE-2026-39824NONE0
golang.org/x/sys
v0.40.0
fixed in 0.44.0
0.1%
Theoretical Threat
Not Applicable
CVE-2026-56852NONE0
golang.org/x/text
v0.31.0
fixed in 0.39.0
0.4%
Theoretical Threat
Not Applicable
GHSA-hrxh-6v49-42gfNONE0
google.golang.org/grpc
v1.78.0
fixed in 1.82.1
—
Not Applicable
GHSA-gcjh-h69q-9w9gNONE0
github.com/google/cel-go
v0.26.0
fixed in 0.29.0
—
Not Applicable
CVE-2026-57497NONE0
github.com/quic-go/webtransport-go
v0.10.0
fixed in 0.11.1
—
Not Applicable
GO-2026-5932NONE0
golang.org/x/crypto
v0.47.0
No fix yet
—
Not Applicable
CVE-2026-46600NONE0
golang.org/x/net
v0.55.0
fixed in 0.56.0
0.3%
Theoretical Threat
Not Applicable
CVE-2026-56852NONE0
golang.org/x/text
v0.37.0
fixed in 0.39.0
0.4%
Theoretical Threat
Not Applicable
GHSA-hrxh-6v49-42gfNONE0
google.golang.org/grpc
v1.72.1
fixed in 1.82.1
—
Not Applicable
CVE-2026-46600NONE0
golang.org/x/net
v0.43.0
fixed in 0.56.0
0.3%
Theoretical Threat
Not Applicable
CVE-2026-39824NONE0
golang.org/x/sys
v0.38.0
fixed in 0.44.0
0.1%
Theoretical Threat
Not Applicable

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