Medium severity · published Jul 9, 2026
CVE-2026-59209
n8n: Shared Credential Header Leak via HTTP Request Pagination Expression
6.5
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
N8
n8n · n8n-io
>= 2.28.0, < 2.28.1; >= 2.0.0-rc.0, < 2.27.4; < 1.123.61 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-59209
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-59209
Product
https://github.com/n8n-io/n8n/releases/tag/n8n%402.27.4
Product
https://github.com/n8n-io/n8n/releases/tag/n8n%402.28.1
Mitigation
https://github.com/n8n-io/n8n/security/advisories/GHSA-q3j5-8vrg-4p9q
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