Detections
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Echo: hono: security update to 4.12.21

medium Tenable Self-Hosted Container Security Plugin ID 463197

Description

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

 - Hono is a Web application framework that provides support for any JavaScript runtime. Prior to 4.12.21,
 the serialize() function in hono/cookie validates domain and path options against characters that corrupt
 Set-Cookie header syntax (;, \r, \n), but does not apply the same validation to sameSite and priority. An
 application that passes user-controlled input into either option may produce a Set-Cookie response header
 containing attacker-chosen additional attributes. This vulnerability is fixed in 4.12.21. (CVE-2026-47675)

Solution

Update the hono library and its related packages to version 4.12.21 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-47675

Plugin Details

Severity: Medium

ID: 463197

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/3/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2026-47675

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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: 9/28/2026

Vulnerability Publication Date: 5/28/2026

Reference Information

CVE: CVE-2026-47675