Detections
Analytics

Echo: libsoup3: security update to 3.6.6-1+e4

medium Tenable Cloud Security Plugin ID 459945

Description

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

 - A flaw was found in libsoup. A remote attacker could exploit an unsigned to signed conversion error in the
 `soup_body_input_stream_read_chunked()` function by sending a malicious HTTP request. This vulnerability
 occurs when libsoup operates behind a non-libsoup proxy server or as a proxy in front of a non-libsoup
 backend server. Successful exploitation can allow an attacker to bypass security controls, poison web
 caches, or gain unauthorized access. (CVE-2026-6324)

Solution

Update the libsoup3 library and its related packages to version 3.6.6-1+e4 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-6324

Plugin Details

Severity: Medium

ID: 459945

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 8.03

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2026-6324

CVSS v3

Risk Factor: Medium

Base Score: 4.8

Temporal Score: 4.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/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: 6/1/2026

Vulnerability Publication Date: 5/29/2026

Reference Information

CVE: CVE-2026-6324