CVE-2026-62644

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.50% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 40.5% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-07-20.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-07-14 15:55Z1 MO AGO

Last updated

2026-07-14 17:15Z1 MO AGO

Reserved

2026-07-14

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Medium (CVSS 6.4)

CNA CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N

Weaknesses

• CWE-290Authentication Bypass by SpoofingBase

Data version

5.2

Document digest

326c2b88476407d2ee06e7f7f591180e888026a89bef443780b0e441cff4e9e2

• roundcube.nethttps://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2
• github.comhttps://github.com/roundcube/roundcubemail/releases/tag/1.7.2
• github.comhttps://github.com/roundcube/roundcubemail/commit/7414fef51cd2407d39faab99680763f10ed5231d
• github.comhttps://github.com/roundcube/roundcubemail/commit/9a96c20d8c7c9135876b68bebd6960af3ee60923
• github.comhttps://github.com/roundcube/roundcubemail/releases/tag/1.6.17
• github.comhttps://github.com/roundcube/roundcubemail/commit/83150ce04d689a70f92d511bcae40adba8d55476
• github.comhttps://github.com/roundcube/roundcubemail/commit/5cdc6a48b40beabff7f0bf5d9035f4491e877e4c