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CVE-2026-56272— Flowise - Insufficient Password Salt Rounds in Bcrypt Hashing

Quick assessment

Affected
Flowise Flowise
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.

FlowiseAI Flowise是FlowiseAI公司开源的一个用于轻松构建 LLM 应用程序的工具。 Flowise 3.0.13之前版本存在加密问题漏洞，该漏洞源于使用bcrypt时设置默认盐轮数为5，仅提供32次迭代而非OWASP推荐的至少10轮，导致攻击者使用现代GPU硬件破解密码哈希的速度提高约30倍，可能在数据库泄露事件中危及所有用户账户。

CVSS 4.1 · Medium EPSS 0.10% · P1

Possible ATT&CK Techniques 1 AI

T1110.004 · Credential Stuffing

Affected Version Matrix 2

VendorProduct Version RangeStatus
Flowise Flowise < 3.0.13 affected
3.0.13 unaffected
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I. Basic Information for CVE-2026-56272

Vulnerability Information
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Vulnerability Title
Flowise - Insufficient Password Salt Rounds in Bcrypt Hashing
Source: CVE Program / CVE List V5
Vulnerability Description
Flowise before 3.0.13 uses bcrypt with default salt rounds of 5, providing only 32 iterations instead of the OWASP-recommended minimum of 10 rounds. Attackers can crack password hashes approximately 30 times faster with modern GPU hardware, potentially compromising all user accounts in a database breach scenario.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用具有不充分计算复杂性的口令哈希
Source: CVE Program / CVE List V5
Vulnerability Title
FlowiseAI Flowise 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FlowiseAI Flowise是FlowiseAI公司开源的一个用于轻松构建 LLM 应用程序的工具。 Flowise 3.0.13之前版本存在加密问题漏洞，该漏洞源于使用bcrypt时设置默认盐轮数为5，仅提供32次迭代而非OWASP推荐的至少10轮，导致攻击者使用现代GPU硬件破解密码哈希的速度提高约30倍，可能在数据库泄露事件中危及所有用户账户。
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
Flowise Flowise 0 ~ 3.0.13 -

II. Public POCs for CVE-2026-56272

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III. Intelligence Information for CVE-2026-56272

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Vendor Advisories for CVE-2026-56272 (2)

Same Patch Batch · Flowise · 2026-06-24 · 4 CVEs total

CVE-2026-56270 7.5 HIGH Flowise - Unauthenticated OAuth Secrets Disclosure via /api/v1/loginmethod Endpoint
CVE-2025-71332 6.5 MEDIUM Flowise - SQL Injection in importChatflows API via chatflow.id Parameter
CVE-2026-56269 4.6 MEDIUM Flowise - Weak Default Token Hash Secret in JWT Token Encryption

IV. Related Vulnerabilities

Same product: Flowise
Same vendor: Flowise
Same weakness: CWE-916

V. Comments for CVE-2026-56272

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