SCA: security update for istio.io/istio (GHSA-fgw5-hp8f-xfhc)

high Tenable Cloud Security Plugin ID 440925

Description

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

- Istio is an open platform to connect, manage, and secure microservices. Prior to versions 1.28.6 and
1.29.2, when a RequestAuthentication resource is created with a jwksUri pointing to an internal service,
istiod makes an unauthenticated HTTP GET request to that URL without filtering out localhost or link local
ips. This can result in sensitive data being distributed to Envoy proxies via xDS configuration. This
issue has been patched in versions 1.28.6 and 1.29.2. (CVE-2026-41413)

Solution

Update the istio.io/istio library and its related packages to version 0.0.0-20260410004459-189832a289c1 or later.

See Also

https://github.com/advisories/GHSA-fgw5-hp8f-xfhc

Plugin Details

Severity: High

ID: 440925

Version: Revision 1.9

Type: Local

Family: SCA Checks

Published: 4/27/2026

Updated: 6/16/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3.3

Percentile: 51.25

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2026-41413

CVSS v3

Risk Factor: High

Base Score: 7.7

Temporal Score: 6.7

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

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 4/16/2026

Vulnerability Publication Date: 4/16/2026

Reference Information

CVE: CVE-2026-41413

cwe: CWE-918