Detections
Analytics

Echo: libsoup3: security update to 3.8.0-1

low Tenable Cloud Security Plugin ID 478250

Description

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

 - SoupAuthManager caches proxy authentication credentials without scoping them to the proxy authority
 (host:port). When the proxy configuration changes (e.g., via system settings or WPAD), cached Proxy-
 Authorization headers from the previous proxy are sent to the new proxy, leaking credentials.
 (CVE-2026-12547)

Solution

Update the libsoup3 library and its related packages to version 3.8.0-1 or later.

See Also

https://advisory.echohq.com/cve/CVE-2026-12547

Plugin Details

Severity: Low

ID: 478250

Version: Revision 1.1

Type: Local

Published: 11/3/2026

Updated: 11/3/2026

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3

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

CVSS Score Source: CVE-2026-12547

CVSS v3

Risk Factor: Low

Base Score: 3.4

Temporal Score: 3

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/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: 7/26/2026

Vulnerability Publication Date: 7/21/2026

Reference Information

CVE: CVE-2026-12547