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P4

CVE-2026-62644: webmail from 1.6.0 (inclusive), before 1.6.17 (exclusive), from 1.7.0 (inclusive), before 1.7.2 (exclusive); +1 more…

CVE-2026-62644. CVSS 3.1 base score 9.8 (CRITICAL, NVD). EPSS 0.005 (percentile 0.41962), scored 24-Oct-2026.

Affected technology

webmail · from 1.6.0 (inclusive), before 1.6.17 (exclusive)
roundcube

webmail · from 1.7.0 (inclusive), before 1.7.2 (exclusive)
roundcube

Webmail · 1.6.0 to before 1.6.17, 1.7.0 to before 1.7.2
Roundcube

Description’s affected range: before 1.6.17 and 1.7.x before 1.7.2

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · User interaction required

Attack conditions (NVD, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 3.1 assessment (base score 6.4/10) rates confidentiality and integrity impact as high; availability impact as none. NVD’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CWE
CWE-290
CCR priority
39.3 /100 (P4)
CVSS 3.1
9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · NVD
EPSS
0.005 · percentile 0.41962 · 2026-10-24
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2026-62644.html