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CVE-2026-56268

Flowiseai Flowise broken access control

7.7 HIGHPublic exploitEPSS 0.39%
  1. Published22 Jun 2026

Description

Flowise before 3.1.2 contains an information disclosure vulnerability in the /api/v1/chatflows/apikey/:apikey endpoint. When the keyonly query parameter is omitted (the default), the endpoint returns not only the chatflows bound to the supplied API key but also all chatflows across every workspace that have no API key assigned, because the underlying query lacks any workspace filter. An attacker with a valid API key for one workspace can therefore retrieve the full ChatFlow configuration (including flowData with system prompts and node configurations, chatbotConfig, apiConfig, and credential IDs) of unprotected chatflows belonging to other workspaces.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N

Affected products

Flowiseai Flowise< 3.1.2

Remediation

Fixed in
Flowiseai Flowise≥ 3.1.2

References

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Frequently asked

Is CVE-2026-56268 being actively exploited?

CVE-2026-56268 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.39%.

How severe is CVE-2026-56268?

CVE-2026-56268 has a CVSS 3.1 base score of 7.7, rated high. EPSS estimates a 0.39% probability of exploitation.

Which products are affected by CVE-2026-56268?

Affected products include Flowiseai Flowise.

How do I fix CVE-2026-56268?

Upgrade affected software to a fixed version, for example Flowiseai Flowise 3.1.2 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-56268 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.