CVE Explorer
CVE-2026-47082
An issue was discovered in cyrus-imapd in Cyrus IMAP through 3.12.2. The vacation "fcc" feature skips the destination-mailbox ACL. A user whose vacation Sieve script used :fcc (to save a copy of the sent message) could deliver vacation auto-reply copies into any mailbox the script could name, regardless of whether the script owner had insert permissions on the destination mailbox.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Cyrus IMAP","vendor":"cyrusimap","versions":[{"lessThan":"3.12.3","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:eacced6dc8a4ef905bda2e34e77b9be807104c4d514db7b68a9bd13b1f0e7096 · sha256:1c0260cad671f201… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.4,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:eacced6dc8a4ef905bda2e34e77b9be807104c4d514db7b68a9bd13b1f0e7096 · sha256:1c0260cad671f201… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-863","description":"CWE-863 Incorrect Authorization","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:eacced6dc8a4ef905bda2e34e77b9be807104c4d514db7b68a9bd13b1f0e7096 · sha256:1c0260cad671f201… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.3.html"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:eacced6dc8a4ef905bda2e34e77b9be807104c4d514db7b68a9bd13b1f0e7096 · sha256:1c0260cad671f201… · /containers/cna/references/1
{"url":"https://www.cyrusimap.org/imap/download/release-notes/index.html"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:eacced6dc8a4ef905bda2e34e77b9be807104c4d514db7b68a9bd13b1f0e7096 · sha256:1c0260cad671f201… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.