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n8n: Denial of Service via ZIP decompression in webhook workflow

🗓️ 16 Jun 2026 23:01:51Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 6 Views

Impact The Compression node's Decompress operation expanded attacker-controlled archives into memory without enforcing limits on decompressed output size. An unauthenticated attacker could send a small compressed archive to a public webhook workfl...

Related
Detection
Refs
ReporterTitlePublishedViews
Family
CVE
CVE-2026-54314
16 Jun 202623:01
cve
OSV
GHSA-JQPW-QWW5-CJ4C n8n: Denial of Service via ZIP decompression in webhook workflow
16 Jun 202623:01
osv
OSV
MINI-CV92-8JJV-RGQV
17 Jun 202616:23
osv
Positive Technologies
PT-2026-50180
16 Jun 202600:00
ptsecurity
Vulners
Node
n8nn8nRange<2.24.0npm

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16 Jun 2026 23:01Current
5.4Medium risk
Vulners AI Score5.4
EPSS0.00055
6