CVE-2026-23881

HIGH
2026-01-27 [email protected] GHSA-r2rj-wwm5-x6mq
7.7
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
None
Integrity
None
Availability
High

Lifecycle Timeline

4
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
PoC Detected
Feb 02, 2026 - 15:20 vuln.today
Public exploit code
Patch Released
Feb 02, 2026 - 15:20 nvd
Patch available
CVE Published
Jan 27, 2026 - 17:16 nvd
HIGH 7.7

Tags

Denial Of Service Kyverno Suse

Description

Kyverno is a policy engine designed for cloud native platform engineering teams. Versions prior to 1.16.3 and 1.15.3 have unbounded memory consumption in Kyverno's policy engine that allows users with policy creation privileges to cause denial of service by crafting policies that exponentially amplify string data through context variables. Versions 1.16.3 and 1.15.3 contain a patch for the vulnerability.

Analysis

Kyverno versions up to 1.16.3 is affected by allocation of resources without limits or throttling (CVSS 7.7).

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Remediation

Within 24 hours: Identify all Kyverno deployments and document current versions in use. Within 7 days: Test and deploy Kyverno 1.16.4 or later in non-production environments to validate compatibility. …

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Priority Score

59
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +38
POC: +20

Vendor Status

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CVE-2026-23881 vulnerability details – vuln.today
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