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n8n: LDAP Email-Based Account Linking Allows Privilege Escalation and Account Takeover

🗓️ 25 Mar 2026 21:09:13Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 38 Views

n8n LDAP email linking enables privilege escalation and permanent account takeover; fixed in 2.4.0.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-33665
25 Mar 202617:32
–attackerkb
circl
Circl
CVE-2026-33665
25 Mar 202620:53
–circl
cnnvd
CNNVD
n8n Authorization Issue Vulnerability
25 Mar 202600:00
–cnnvd
cve
CVE
CVE-2026-33665
25 Mar 202617:32
–cve
cvelist
Cvelist
CVE-2026-33665 n8n: LDAP Email-Based Account Linking Allows Privilege Escalation and Account Takeover
25 Mar 202617:32
–cvelist
euvd
EUVD
EUVD-2026-15944
25 Mar 202621:09
–euvd
mend
Mend
CVE-2026-33665
25 Mar 202617:32
–mend
nvd
NVD
CVE-2026-33665
25 Mar 202618:16
–nvd
osv_ghsa
osv_ghsa
GHSA-C545-X2RH-82FC n8n: LDAP Email-Based Account Linking Allows Privilege Escalation and Account Takeover
25 Mar 202621:09
–osv_ghsa
ptsecurity
Positive Technologies
PT-2026-28078
25 Mar 202600:00
–ptsecurity
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Vulners
Node
OR
n8nn8nRange<1.121.0npm
n8nn8nRange2.0.0-rc.0–2.4.0npm

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19 Aug 2026 11:10Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
CVSS 48.8
EPSS0.00465
SSVC
38