CVE-2026-113386

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 ImpactpartialSuccessful exploitation gives limited 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

1.00% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 62.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-10-22.

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

2026-10-20 04:53Z9 DAYS AGO

Last updated

2026-10-22 21:17Z6 DAYS AGO

Reserved

2026-10-20

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

• CWE-93Improper Neutralization of CRLF Sequences ('CRLF Injection')Base

Data version

5.2

Document digest

89d49fdd5d32d84a4d5d671ad200efa349c7c7e512a2bb2c6fc1af6198caf9b7

• bugs.debian.orghttps://bugs.debian.org/1151279issue-trackingthird-party-advisory
• github.comhttps://github.com/roundcube/roundcubemail/commit/004adaaeca4f6799715a54d12e3f657f19efcc9apatch
• roundcube.nethttps://roundcube.net/news/2026/10/19/security-updates-1.6.20-and-1.7.5vendor-advisoryrelease-notes
• github.comhttps://github.com/roundcube/roundcubemail/releases/tag/1.7.5release-notespatch
• github.comhttps://github.com/roundcube/roundcubemail/releases/tag/1.6.20release-notespatch
• github.comhttps://github.com/roundcube/roundcubemail/commit/f62879defc0330ae240c72b83b2d00a8ab337447patch
• github.comhttps://github.com/roundcube/roundcubemail/commit/bf5bc0266a8cd16be6b640409e64a6c6c2705049patch