SCA: security update for github.com/kyverno/kyverno (GHSA-r2rj-wwm5-x6mq)

medium Tenable Cloud Security Plugin ID 437131

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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.
(CVE-2026-23881)

See Also

https://github.com/advisories/GHSA-r2rj-wwm5-x6mq

Plugin Details

Severity: Medium

ID: 437131

Version: Revision 1.9

Type: Local

Family: SCA Checks

Published: 1/27/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2026-23881

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/27/2026

Vulnerability Publication Date: 1/27/2026

Reference Information

CVE: CVE-2026-23881

cwe: CWE-770