Detections
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Echo: stdlib: security update to 1.26.2

high Tenable Cloud Security Plugin ID 474106

Description

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

 - When verifying a certificate chain containing excluded DNS constraints, these constraints are not
 correctly applied to wildcard DNS SANs which use a different case than the constraint. This only affects
 validation of otherwise trusted certificate chains, issued by a root CA in the VerifyOptions.Roots
 CertPool, or in the system certificate pool. (CVE-2026-33810)

Solution

Update the stdlib library and its related packages to version 1.26.2 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-33810

Plugin Details

Severity: High

ID: 474106

Version: Revision 1.1

Type: Local

Published: 10/10/2026

Updated: 10/10/2026

Risk Information

VPR

Risk Factor: Low

Score: 3.5

Percentile: 51.45

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2026-33810

CVSS v3

Risk Factor: High

Base Score: 8.2

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/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: 10/10/2026

Vulnerability Publication Date: 4/7/2026

Reference Information

CVE: CVE-2026-33810