An SMTP command injection vulnerability in the data-source testing functionality of Zimbra Collaboration Suite (ZCS) allows an ordinary authenticated user with account options enabled to inject CR/LF into the emailAddress inserted into an SMTP envelope command by a JSON SOAP request. After a successful preliminary POP3 or IMAP login, Zimbra sends the injected commands to the selected SMTP service. If that service accepts the pipelined transaction, the attacker can submit mail with attacker-selected recipients, headers and body content without victim interaction. The vulnerable command-construction path is present in ZCS 10.1.16 and 10.1.20.
References
Configurations
No configuration.
History
23 Oct 2026, 14:17
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-10-23 14:17
Updated : 2026-10-29 11:17
NVD link : CVE-2026-115785
Mitre link : CVE-2026-115785
CVE.ORG link : CVE-2026-115785
JSON object : View
Products Affected
No product.
CWE
CWE-93
Improper Neutralization of CRLF Sequences ('CRLF Injection')
