CVE-2026-34834: bulwarkmail webmail

csirt@kutim:~/threat-intel/cve/CVE-2026-34834

CVSS 7.5 · High EPSS 0,42%

Kerentanan Improper Authentication pada bulwarkmail webmail. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to version 1.4.10, the verifyIdentity() function contained logic that returned true if no session cookies were present. This allowed unauthenticated attackers to bypass security checks and access/modify user settings via the /api/settings endpoint by providing arbitrary headers. This issue has been patched in version 1.4.10.

Rincian

Terbit di NVD: 2 April 2026
Terakhir diubah: 24 Juli 2026
Status NVD: Analyzed
CVSS 3.1: 7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-287: Improper Authentication
EPSS (30 hari): 0,42% peluang dieksploitasi; lebih tinggi dari 34,8% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
bulwarkmail	webmail	Semua versi sebelum 1.4.10

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/bulwarkmail/webmail/security/advisories/GHSA-4356-876g-rfmh advisory vendor
https://github.com/bulwarkmail/webmail/releases/tag/1.4.10 product

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.