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01 Record

CVE-2026-114726

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a mail header injection vulnerability in the Bounce (resend) action. rcube_mime::decode_address_list() did not strip control

MediumPUBLISHEDCNA: mitre
CNA base score5.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N

02 Description

Roundcube Webmail before 1.6.20 and 1.7.x before 1.7.5 is affected by a mail header injection vulnerability in the Bounce (resend) action. rcube_mime::decode_address_list() did not strip control

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
Not scored by EPSS
EPSS percentile
Not scored by EPSS
NVD base score
5.8 (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:C/C:N/I:L/A:N
NVD analysis status
Received. 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.

04 Metadata

Published
2026-10-22 01:55Z2 HR AGO
Last updated
2026-10-22 01:55Z2 HR AGO
Reserved
2026-10-22
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Medium (CVSS 5.8)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Weaknesses
  • CWE-99Improper Control of Resource Identifiers ('Resource Injection')Class
Data version
5.2
Document digest
3574ffd5b46a6ca58288d94f05c3f9203dbe3fd9f11cace9e7354ac4a1ba6c8e

05 Affected products

VendorProductVersionsPlatforms
RoundcubeWebmail1.6.0 to < 1.6.20, 1.7.0 to < 1.7.5—

06 References