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Kubernetes CVE-2026-53492

| EUVDEUVD-2026-41109 HIGH
Improper Input Validation (CWE-20)
2026-06-19 GHSA-33vj-92qq-66hc
Kubernetes Checkpoint Information Disclosure Containerd Red Hat
8.4
CVSS 4.0 · Vendor
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Severity by source

Vendor (CNA) PRIMARY
8.4 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
7.7 HIGH

Pod-creation rights give PR:L over a low-complexity network-reachable CRI action; trusted CDI injection breaks container-to-host isolation (S:C) with high integrity impact and no direct confidentiality/availability loss.

3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N
SUSE
8.8 HIGH
AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Red Hat
8.2 HIGH
qualitative

Primary rating from Vendor (CNA).

CVSS VectorVendor

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

6
Source Code Evidence Fetched
Jul 01, 2026 - 19:30 vuln.today
Analysis Updated
Jul 01, 2026 - 19:30 vuln.today
v3 (cvss_changed)
Analysis Updated
Jul 01, 2026 - 19:29 vuln.today
v2 (cvss_changed)
Re-analysis Queued
Jul 01, 2026 - 19:22 vuln.today
cvss_changed
CVSS changed
Jul 01, 2026 - 19:22 NVD
8.4 (HIGH)
Analysis Generated
Jun 19, 2026 - 02:18 vuln.today

Description PRE-NVD

Disclosed via oss-security. NVD scoring and full description are pending.

Articles & Coverage 4

News 4 New Kubernetes Vulnerabilities - 3 Critical, 1 High Severity Jun 20, 2026 News 6 New Docker Vulnerabilities - 3 Critical, 3 High Severity Jun 20, 2026 News 6 New Docker Vulnerabilities - 3 Critical, 3 High Severity Jun 19, 2026 News Critical CDI Annotation Smuggling in Kubernetes containerd CRI - CVE-2026-53492 Jun 19, 2026

AnalysisAI

Kubernetes device-plugin and resource-allocation enforcement can be bypassed in containerd by a namespace user holding pod-creation rights, who restores a container from a maliciously crafted checkpoint image. The CRI restore path trusts Container Device Interface (CDI) annotations embedded in untrusted checkpoint metadata instead of the pod's create-time spec, letting the attacker smuggle arbitrary CDI edits (host device nodes and mounts) into the restored container. It affects containerd v2.1.0-2.1.8, v2.2.0-2.2.4 and v2.3.0-2.3.1; there is no public exploit identified at time of analysis and it is not listed in CISA KEV.

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Vendor StatusVendor

SUSE

Severity: Important
Product Status
SUSE Package Hub 15 SP7 Fixed
openSUSE Tumbleweed Fixed
SLES15-SP5-CHOST-BYOS-SAP-CCloud Affected
SLES15-SP6-CHOST-BYOS Affected
SLES15-SP6-CHOST-BYOS-Aliyun Affected

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CVE-2026-53492 vulnerability details – vuln.today
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