CVE-2026-61911: cyrus imap

csirt@kutim:~/threat-intel/cve/CVE-2026-61911

CVSS 4.3 · Medium EPSS 0,22%

Kerentanan Exposure of Sensitive System Information to an Unauthorized Control Sphere pada cyrus imap. Skor CVSS 3.1 4.3 (Medium) menurut mitre.org.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD: 9 September 2026
Terakhir diubah: 16 September 2026
Status NVD: Analyzed
CVSS 3.1: 4.3 (Medium), sumber mitre.org
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-497: Exposure of Sensitive System Information to an Unauthorized Control Sphere
EPSS (30 hari): 0,22% peluang dieksploitasi; lebih tinggi dari 11,3% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
cyrus	imap	Semua versi sebelum 3.8.8
cyrus	imap	Versi 3.9.0 hingga sebelum 3.10.4
cyrus	imap	Versi 3.11.0 hingga sebelum 3.12.4

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://cyrusimap.org product
https://www.cyrusimap.org/3.12/imap/download/release-notes/3.10/x/3.10.4.html release notes
https://www.cyrusimap.org/3.12/imap/download/release-notes/3.12/x/3.12.4.html release notes
https://www.cyrusimap.org/3.12/imap/download/release-notes/3.8/x/3.8.8.html release notes

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:11 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.