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CVE-2026-59209

n8n: Shared Credential Header Leak via HTTP Request Pagination Expression

MEDIUM
6.5
CVSS Score
Published: July 9, 2026 at 03:32 PM UTC
Updated: October 25, 2026 at 05:10 PM UTC
2 products affected across 2 vendorsN8NN8N

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

n8n is an open source workflow automation platform. Prior to 1.123.61, 2.27.4, and, 2.28.1, an authenticated member with use-only editor access to a shared workflow could read credential-populated headers exposed via the $request object inside an HTTP Request node's pagination expression and exfiltrate the secret through item data. This issue is fixed in versions 1.123.61, 2.27.4, and 2.28.1.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

N8N· N8Nnpm
95%
v < 1.123.612.0.0 ≤ v < 2.27.42.28.0
Affected range stops below 1.123.61, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.27.4, so it looks safe — our inference, not a vendor statement
N8N· N8N Io
90%
v < 1.123.61
Affected range stops below 1.123.61, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.27.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.28.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (3)

x_refsource_CONFIRMMitigationVendor Advisory
Source: cverecord
https://github.com/n8n-io/n8n/security/advisories/GHSA-q3j5-8vrg-4p9q
x_refsource_MISCProductRelease Notes
Source: cverecord
https://github.com/n8n-io/n8n/releases/tag/n8n%402.27.4
x_refsource_MISCProductRelease Notes
Source: cverecord
https://github.com/n8n-io/n8n/releases/tag/n8n%402.28.1

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-522CWE-200

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