{"id":"CVE-2026-115785","aliases":[],"cve":{"records":[{"id":"CVE-2026-115785","source":"rapid7","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-10-23T13:40:41.297Z","published":"2026-10-23T13:50:33.115Z","modified":"2026-10-29T10:45:48.181Z"}],"publishers":[{"name":"rapid7","role":"CNA","organizationId":"9974b330-7714-4307-a722-5648477acda7","modified":"2026-10-23T13:50:33.115Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-10-29T10:45:48.181Z"}],"references":[{"url":"https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories","tags":["vendor-advisory"],"source":"rapid7"},{"url":"https://www.rapid7.com/blog/post/ve-breaking-zimbra-identity-boundaries-part-1/","tags":["related"],"source":"rapid7"}],"weaknesses":[{"id":"CWE-93","description":"CWE-93 Improper neutralization of CRLF sequences ('CRLF injection')","source":"rapid7"}],"applicability":[],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-10-24T03:55:31.920337Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"total"}]}]},"title":"Zimbra Collaboration Suite Data Source Test SMTP Command Injection via Unsanitized Email Address","titleSource":"rapid7","descriptionSource":"rapid7","description":"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10.1.20.","score":4.3,"severity":"medium","published":"2026-10-23T13:50:33.115Z","modified":"2026-10-29T10:45:48.181Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"Zimbra","name":"Zimbra Collaboration Suite","platforms":[],"versions":[{"version":"0","status":"affected","lessThanOrEqual":"10.1.20","versionType":"semver"}],"defaultStatus":"unaffected","cpes":[],"source":"rapid7","url":"https://www.cve.org/CVERecord?id=CVE-2026-115785"}],"remediation":[],"references":["https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories","https://www.rapid7.com/blog/post/ve-breaking-zimbra-identity-boundaries-part-1/"],"sources":[{"name":"CVE","id":"CVE-2026-115785","modified":"2026-10-29T10:45:48.181Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-115785"}],"assessments":[{"source":"rapid7","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","score":4.3}],"sourceAffected":[],"observedAt":"2026-10-29T14:34:34.638Z","kev":{"status":"not-listed","checkedAt":"2026-10-31T15:15:33.047Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[],"aiSummary":{"text":"Zimbra Collaboration Suite versions 10.1.16 and 10.1.20 have an SMTP command injection vulnerability, allowing authenticated users to inject CR/LF into email addresses. This can submit mail with attacker-selected content. The weakness is due to improper neutralization of CRLF sequences.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-10-30T09:20:01.120Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-115785"}]}}