CVE-2026-43639

Katalog CVE

CVSS 9.1 · Critical EPSS 0,84%

Kerentanan Missing Authorization pada bitwarden server. Skor CVSS 3.1 9.1 (Critical) menurut NVD.

Deskripsi (NVD)

Bitwarden Server prior to v2026.4.0 contains a missing authorization vulnerability that allows a provider service user to add an arbitrary organization to their provider via `POST /providers/{providerId}/clients/existing`, resulting in takeover of the target organization; self-hosted installations are unaffected as this endpoint is restricted to Cloud via SelfHosted(NotSelfHostedOnly = true).

Rincian

Terbit di NVD

11 Mei 2026

Terakhir diubah

14 Juli 2026

Status NVD

Analyzed

CVSS 3.1

9.1 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-862: Missing Authorization

EPSS (30 hari)

0,84% peluang dieksploitasi; lebih tinggi dari 56,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/bitwarden/server/commit/0918bfdda6f5eec391c69bd9074f6aef4eac0b1d patch
• https://github.com/bitwarden/server/pull/7372 issue tracking · patch
• https://sanjokkarki.com.np/blog/bitwarden-provider-takeover exploit · advisory pihak ketiga
• https://www.vulncheck.com/advisories/bitwarden-server-missing-authorization-via-provider-clients advisory pihak ketiga
• https://github.com/bitwarden/server/releases/tag/v2026.4.0 release notes