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

Severity: medium (CVSS 4.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-06-24 · updated 2026-10-25
Weakness: CWE-916

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.

Affected products

FlowiseAI Flowise: before 3.0.13 — fixed in 3.0.13

How to fix

Upgrade to a fixed version: FlowiseAI Flowise 3.0.13. Check the vendor advisory for mitigations.

References

https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-x2g5-fvc2-gqvp
https://www.vulncheck.com/advisories/flowise-insufficient-password-salt-rounds-in-bcrypt-hashing

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