Detections
Analytics

SCA: security update for roundcube/roundcubemail (GHSA-vxg2-hhgr-37fx)

medium Tenable Self-Hosted Container Security Plugin ID 439860

Description

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

 - An issue was discovered in Roundcube Webmail 1.6.0 before 1.6.14. Insufficient Cascading Style Sheets
 (CSS) sanitization in HTML e-mail messages may lead to SSRF or Information Disclosure, e.g., if stylesheet
 links point to local network hosts. (CVE-2026-35540)

Solution

Update the roundcube/roundcubemail library and its related packages to version 1.7-rc5 or later.

See Also

https://github.com/advisories/GHSA-vxg2-hhgr-37fx

Plugin Details

Severity: Medium

ID: 439860

Version: Revision 1.4

Type: Local

Family: SCA Checks

Published: 4/4/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 7.71

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2026-35540

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/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: 4/3/2026

Vulnerability Publication Date: 4/3/2026

Reference Information

CVE: CVE-2026-35540