What is CVE-2026-56272?

CVE-2026-56272 is a medium-severity vulnerability in Flowise, classified under Use of Password Hash With Insufficient Computational Effort. CVSS score: 4.1/10. Published 2026-06-24.

How severe is CVE-2026-56272?

Medium severity. CVSS v3 base score is 4.1 out of 10.

Vulnerability in Flowise

CVE-2026-56272

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.

Published 2026-06-24 · last modified 2026-06-26.

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.001 (0.7th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Flowise — versions 0, 3.0.13
Flowiseai Flowise

Weakness classification (CWE)

CWE-916 — Use of Password Hash With Insufficient Computational Effort

References

github.com/FlowiseAI/Flowise/security/advisories/GHSA-x2g5-fvc2-gqvp (vendor-advisory, Mitigation, Vendor Advisory)
www.vulncheck.com/advisories/flowise-insufficient-password-salt-rounds-in-bcryp… (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2026-56272?: CVE-2026-56272 is a medium-severity vulnerability in Flowise, classified under Use of Password Hash With Insufficient Computational Effort. CVSS score: 4.1/10. Published 2026-06-24.
How severe is CVE-2026-56272?: Medium severity. CVSS v3 base score is 4.1 out of 10.