PT-2026-43109 · Unknown · Roundcube Webmail

Alecpl · Published 2026-05-24 · Updated 2026-05-27 · CVE-2026-48846

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Roundcube Webmail versions 1.6.0 through 1.6.15 Roundcube Webmail versions 1.7.0 through 1.7.0

Description The remote image blocking feature can be bypassed using a crafted CSS var() value within an e-mail message. This bypass may result in access-control bypass or information disclosure.

Recommendations Update versions 1.6.x to 1.6.16. Update versions 1.7.x to 1.7.1.

Exploit

Fix

Weakness Enumeration

CWE-669

Related Identifiers

BDU:2026-07444

CVE-2026-48846

OPENSUSE-SU-2026:10869-1

OPENSUSE-SU-2026:20852-1

Affected Products

Roundcube Webmail

References · 24

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/48xxx/CVE-2026-48846.json · Exploit
• https://bdu.fstec.ru/vul/2026-07444 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-48846 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-48846 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-48846 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-48846 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-48846 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:10869-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-48846 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-48846 · Vendor Advisory
• https://github.com/roundcube/roundcubemail/releases/tag/1.6.16 · Note
• https://github.com/roundcube/roundcubemail/releases/tag/1.7.1 · Note
• https://github.com/roundcube/roundcubemail/commit/59cca80908a61e662c5f81741449e9aeb91e8abe · Note
• https://github.com/roundcube/roundcubemail/commit/852350486b88b35b8544e8a630fad89e99e2150a · Note
• https://suse.com/security/cve/CVE-2026-48844 · Note