CVE-2026-40346Public exploitNetwork attack vector

Authenticated internal access via unvalidated request URLs

Published Apr 17, 2026 · Updated Apr 17, 2026

SSRF in NocoBase's workflow HTTP request plugin before 2.0.37 allows remote authenticated users to access internal services. RequestInstruction passes a whitespace-trimmed workflow URL directly to axios.request without validating its scheme, address, or resolved destination. Any workspace member who can create and trigger a workflow can reach localhost, private-network services, or cloud metadata endpoints from the server.

CVSS severity6.4
Medium
EPSS probability0.38%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SSRF in NocoBase's workflow HTTP request plugin before 2.0.37 allows remote authenticated users to access internal services. RequestInstruction passes a whitespace-trimmed workflow URL directly to axios.request without validating its scheme, address, or resolved destination. Any workspace member who can create and trigger a workflow can reach localhost, private-network services, or cloud metadata endpoints from the server.

The record

CVE
CVE-2026-40346
Published
Apr 17, 2026
Updated
Apr 17, 2026
Vendor
NocoBase
Product
@nocobase/plugin-workflow-request
Classifications
CWE-918, CAPEC-664, T1046
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 17, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 17, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 2.0.37

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

NocoBase · @nocobase/plugin-workflow-requestversion=< 2.0.37

Published CVSS scores

6.4GitHub, Inc.CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
CAPEC-664Server Side Request Forgery
T1046Network Service Discovery

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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