CVE-2025-55526: n8n-workflows Main Commit ee25413 allows attackers to execute a directory traversal via the download_workflow

This week

CRITICAL 9.1REMOTEDOWNGRADE

CVE-2025-55526 is a critical-severity flaw (CVSS 9.1) affecting n8n workflow collection. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

n8n-workflows Main Commit ee25413 allows attackers to execute a directory traversal via the download_workflow function within api_server.py

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-22
Published	2025-08-26
Last modified	2026-08-20

Publisher (CNA): MITRE · Vendor: zie619

Last updated 2026-08-20 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-08-26 14:15 UTCPublished CVE record published
2026-08-20 13:12 UTCUpdated Record last modified

zie619 n8n workflow collection DOWNGRADE

Affected: 2025-06-29

Fixed in: no fixed release known

Safe to downgrade to: a release before 2025-06-29

1. Check installed version

apt-cache policy n8n-workflow-collection || rpm -q n8n-workflow-collection || n8n-workflow-collection --version

2. No fixed release: DOWNGRADE to a release before 2025-06-29 (Debian / Ubuntu)

apt-cache madison n8n-workflow-collection sudo apt install n8n-workflow-collection=<VERSION_BEFORE_2025-06-29> sudo apt-mark hold n8n-workflow-collection

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list n8n-workflow-collection sudo dnf downgrade n8n-workflow-collection-<VERSION_BEFORE_2025-06-29> sudo dnf versionlock add n8n-workflow-collection

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-55526?

n8n workflow collection: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-55526 being exploited?

CVE-2025-55526 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-55526 affect?

CVE-2025-55526 affects n8n workflow collection. Severity is critical (CVSS 9.1). n8n-workflows Main Commit ee25413 allows attackers to execute a directory traversal via the download_workflow function within api_server.py

How urgent is CVE-2025-55526?

Priority 56/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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