CVE-2026-8027: A weakness has been identified in FlowiseAI Flowise up to 3.0.12

Q: How do I fix CVE-2026-8027?

flowise: upgrade to newer than 3.0.12. Exact commands for each OS are on this page.

Q: Is CVE-2026-8027 being exploited?

CVE-2026-8027 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-8027 affect?

CVE-2026-8027 affects flowise. Severity is medium (CVSS 4.3). A weakness has been identified in FlowiseAI Flowise up to 3.0.12. Affected by this vulnerability is an unknown functionality of the component User Controller Handler. This manipulation of the argument userId/organizationId/workspaceId/email

Q: How urgent is CVE-2026-8027?

Priority 25/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2026-8027 is a medium-severity flaw (CVSS 4.3) affecting flowise. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A weakness has been identified in FlowiseAI Flowise up to 3.0.12. Affected by this vulnerability is an unknown functionality of the component User Controller Handler. This manipulation of the argument userId/organizationId/workspaceId/email causes authorization bypass. The attack may be initiated remotely. The affected component should be upgraded.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-285, CWE-639
Published	2026-05-06
Last modified	2026-10-26

Publisher (CNA): VulDB · Vendor: flowiseai

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-06 15:16 UTCPublished CVE record published
2026-10-26 19:10 UTCUpdated Record last modified

flowiseai flowise UPGRADE

Affected: <= 3.0.12

Fixed in: newer than 3.0.12

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy flowise || rpm -q flowise || flowise --version

2. UPGRADE to newer than 3.0.12 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade flowise

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade flowise

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-8027?

flowise: upgrade to newer than 3.0.12. Exact commands for each OS are on this page.

Is CVE-2026-8027 being exploited?

CVE-2026-8027 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-8027 affect?

CVE-2026-8027 affects flowise. Severity is medium (CVSS 4.3). A weakness has been identified in FlowiseAI Flowise up to 3.0.12. Affected by this vulnerability is an unknown functionality of the component User Controller Handler. This manipulation of the argument userId/organizationId/workspaceId/email

How urgent is CVE-2026-8027?

Priority 25/100. Public exploit reference

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References

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