Dashboard / CVE-2026-62644

CVE-2026-62644

CRITICAL
INFO Priority: 0.05 BB Relevance: 80/100
Published: 2026-07-14 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

Description

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the password plugin of the Roundcube Webmail was subject to username spoofing via session data, which could lead to account takeover.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
roundcube webmail 1.6.0 – 1.6.17
roundcube webmail 1.7.0 – 1.7.2

References & Advisories (7)

Bug Bounty Relevance

80 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.50%
Raw Score 0.005000
Percentile 42.7%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00500
2026-10-28
0.00500

Intelligence Sources

nvd ref →

External Links