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CVE-2026-47159— Vaultwarden: Authentication Flow Information Disclosure in SSO Discovery Allows Organization Enumeration and Pre-Validation Token Exposure

Quick assessment

Affected
dani-garcia vaultwarden
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

dani-garcia vaultwarden是dani-garcia个人开发者开源的一个密码管理服务。 dani-garcia vaultwarden 1.36.0之前版本存在授权问题漏洞，该漏洞源于SSO发现和预验证流程返回组织相关SSO元数据，允许仅通过发现的组织标识符获取有效的预验证JWT，从而利用SSO组织枚举和身份验证工作流滥用。

AI Predicted 5.3 Difficulty: Easy EPSS 0.66% · P50

Possible ATT&CK Techniques 1 AI

T1200 · Hardware Additions

Affected Version Matrix 1

VendorProduct Version RangeStatus
dani-garcia vaultwarden < 1.36.0 affected
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I. Basic Information for CVE-2026-47159

Vulnerability Information
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Vulnerability Title
Vaultwarden: Authentication Flow Information Disclosure in SSO Discovery Allows Organization Enumeration and Pre-Validation Token Exposure
Source: CVE Program / CVE List V5
Vulnerability Description
Vaultwarden is a Bitwarden-compatible server written in Rust. Prior to 1.36.0, Vaultwarden's SSO discovery and pre-validation flow returned organization-related SSO metadata including organizationIdentifier values for arbitrary email addresses and allowed a valid pre-validation JWT to be obtained with only the discovered identifier, enabling SSO-enabled organization enumeration and authentication workflow abuse. This issue is fixed in version 1.36.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
dani-garcia vaultwarden 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
dani-garcia vaultwarden是dani-garcia个人开发者开源的一个密码管理服务。 dani-garcia vaultwarden 1.36.0之前版本存在授权问题漏洞，该漏洞源于SSO发现和预验证流程返回组织相关SSO元数据，允许仅通过发现的组织标识符获取有效的预验证JWT，从而利用SSO组织枚举和身份验证工作流滥用。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
dani-garcia vaultwarden < 1.36.0 -

II. Public POCs for CVE-2026-47159

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III. Intelligence Information for CVE-2026-47159

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Patches & Fixes for CVE-2026-47159 (2)

Vendor Advisories for CVE-2026-47159 (1)

Vendor Pages for CVE-2026-47159 (1)

Same Patch Batch · dani-garcia · 2026-07-15 · 4 CVEs total

CVE-2026-47158 8.3 HIGH Vaultwarden: CSRF in SSO Authorization Flow
CVE-2026-47164 7.7 HIGH Vaultwarden: SSO Email Auto-Link Can Bind an Existing Local Account to an Attacker-Control
CVE-2026-47160 5.8 MEDIUM Vaultwarden: Server-side request forgery (SSRF) via Icon Endpoint Decimal/Hex/Octal IP Byp

IV. Related Vulnerabilities

Same product: vaultwarden
Same vendor: dani-garcia
Same weakness: CWE-287

V. Comments for CVE-2026-47159

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