[UPDATE] [high] n8n: Multiple vulnerabilities

highCVE-2026-54303 CVE-2026-56777 CVE-2026-56778 CVE-2026-56776 CVE-2026-56775 CVE-2026-54301

An attacker can exploit multiple vulnerabilities in n8n to execute arbitrary code, bypass security measures, perform SQL injection and cross-site scripting attacks, manipulate data, cause a Denial of Service condition, or disclose sensitive information, which may allow further attacks including privilege escalation.

CSIRTS triage

vendor: n8n product: n8n Remote code execution Authentication bypass SQL injection Cross-site scripting Denial of service

What: An attacker can exploit multiple vulnerabilities in n8n to execute arbitrary code, bypass security measures, perform SQL injection and cross-site scripting attacks, manipulate data, cause a Denial of Service condition, or disclose sensitive information.
Who is affected: Remote attackers exploiting vulnerabilities in n8n.
Urgency: Remediation is urgent due to the high severity and potential for significant impact.
Action: Update to the latest version of n8n to mitigate these vulnerabilities.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity: high
Published: 2026-07-09
Exploitation: Not in CISA KEV at last sync
Language: Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1875

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-543030.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all scored CVEs.
Low exploitation riskCVE-2026-567770.24% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 16% of all scored CVEs.
Low exploitation riskCVE-2026-567780.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all scored CVEs.
Low exploitation riskCVE-2026-567760.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all scored CVEs.
Low exploitation riskCVE-2026-567750.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all scored CVEs.
Low exploitation riskCVE-2026-543010.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 12% of all scored CVEs.
Low exploitation riskCVE-2026-543020.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all scored CVEs.
Low exploitation riskCVE-2026-543040.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all scored CVEs.
Low exploitation riskCVE-2026-543050.34% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 26% of all scored CVEs.
Low exploitation riskCVE-2026-543060.26% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 17% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-54303	coverage & exploitation status	NVD · CVE.org
CVE-2026-56777	coverage & exploitation status	NVD · CVE.org
CVE-2026-56778	coverage & exploitation status	NVD · CVE.org
CVE-2026-56776	coverage & exploitation status	NVD · CVE.org
CVE-2026-56775	coverage & exploitation status	NVD · CVE.org
CVE-2026-54301	coverage & exploitation status	NVD · CVE.org
CVE-2026-54302	coverage & exploitation status	NVD · CVE.org
CVE-2026-54304	coverage & exploitation status	NVD · CVE.org
CVE-2026-54305	coverage & exploitation status	NVD · CVE.org
CVE-2026-54306	coverage & exploitation status	NVD · CVE.org
CVE-2026-54307	coverage & exploitation status	NVD · CVE.org
CVE-2026-54308	coverage & exploitation status	NVD · CVE.org
CVE-2026-54309	coverage & exploitation status	NVD · CVE.org
CVE-2026-54310	coverage & exploitation status	NVD · CVE.org
CVE-2026-54311	coverage & exploitation status	NVD · CVE.org
CVE-2026-54312	coverage & exploitation status	NVD · CVE.org
CVE-2026-54313	coverage & exploitation status	NVD · CVE.org
CVE-2026-54314	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for n8n

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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mediumCVE-2026-56354: n8n before 1.123.24, 2.10.4, and 2.12.0 (across its 1.x and 2.x branches) contains cross-site …nvd · 2026-07-10
high[UPDATE] [high] n8n: Multiple vulnerabilitiescert-bund · 2026-07-10
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mediumCVE-2026-59208: n8n is an open source workflow automation platform. Prior to 2.27.4 and from 2.28.0 prior to 2…nvd · 2026-07-09
mediumCVE-2026-59207: n8n is an open source workflow automation platform. Prior to 2.27.4 and 2.28.1, the AI Agents …nvd · 2026-07-09