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Solution
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Workaround
No workaround given by the vendor.
Thu, 10 Sep 2026 19:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Thu, 10 Sep 2026 12:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Sieve Mailbox Existence Oracle in Cyrus IMAP | cyrus-imapd: cyrus-imapd: Sieve fileinto mailbox existence oracle |
| References |
| |
| Metrics |
threat_severity
|
threat_severity
|
Thu, 10 Sep 2026 00:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Title | Sieve Mailbox Existence Oracle in Cyrus IMAP |
Wed, 09 Sep 2026 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Cyrusimap
Cyrusimap cyrus Imap |
|
| Weaknesses | CWE-497 | |
| CPEs | cpe:2.3:a:cyrusimap:cyrus_imap:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Cyrusimap
Cyrusimap cyrus Imap |
|
| Metrics |
cvssV3_1
|
Wed, 09 Sep 2026 20:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | An issue was discovered in Cyrus IMAP before 3.12.4. There is a Sieve mailbox existence oracle. An authenticated user could install a Sieve script that probed whether another user's private mailbox existed, or read the value of shared mailbox annotations, by observing which fileinto branch fired during LMTP delivery. | |
| References |
|
Projects
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Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2026-09-10T19:01:53.316Z
Reserved: 2026-07-13T00:00:00.000Z
Link: CVE-2026-61911
Updated: 2026-09-10T19:00:14.043Z
Status : Undergoing Analysis
Published: 2026-09-09T20:18:36.800
Modified: 2026-09-10T19:17:31.507
Link: CVE-2026-61911
OpenCVE Enrichment
Updated: 2026-09-10T11:00:09Z