Detections
Analytics

SCA: security update for github.com/lin-snow/ech0 (GHSA-cqgf-f4x7-g6wc)

high Tenable Cloud Security Plugin ID 439729

Description

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

 - Ech0 is an open-source, self-hosted publishing platform for personal idea sharing. Prior to 4.2.8, the GET
 /api/website/title endpoint accepts an arbitrary URL via the website_url query parameter and makes a
 server-side HTTP request to it without any validation of the target host or IP address. The endpoint
 requires no authentication. An attacker can use this to reach internal network services, cloud metadata
 endpoints (169.254.169.254), and localhost-bound services, with partial response data exfiltrated via the
 HTML <title> tag extraction This vulnerability is fixed in 4.2.8. (CVE-2026-35037)

Solution

Update the github.com/lin-snow/ech0 library and its related packages to version 1.4.8-0.20260401031029-4ca56fea5ba4 or later.

See Also

https://github.com/advisories/GHSA-cqgf-f4x7-g6wc

Plugin Details

Severity: High

ID: 439729

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 4/3/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.42

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

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

CVSS Score Source: CVE-2026-35037

CVSS v3

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.5

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/3/2026

Vulnerability Publication Date: 4/3/2026

Reference Information

CVE: CVE-2026-35037

cwe: CWE-918