CVE-2025-49595
mediumPriorität · verfolgen · 0EPSS 0.005 · 41. PerzentilEUUSEPSS · bewertet 2026-10-28
n8n is a workflow automation platform. Prior to version 1.99.0, there is a denial of Service vulnerability in /rest/binary-data endpoint when processing empty filesystem URIs (filesystem:// or filesystem-v2://). This allows authenticated attackers to cause service unavailability through malformed filesystem URI requests, effecting the /rest/binary-data endpoint and n8n.cloud instances (confirmed HTTP/2 524 timeout responses). Attackers can exploit this by sending GET requests with empty filesystem URIs (filesystem:// or filesystem-v2://) to the /rest/binary-data endpoint, causing resource exhaustion and service disruption. This issue has been patched in version 1.99.0.
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betroffene Produkte (3)
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- GHSA-pr9r-gxgp-9rm8n8n Vulnerable to Denial of Service via Malformed Binary Data Requests2025-07-03ghsa · osvUS
## Summary Denial of Service vulnerability in `/rest/binary-data` endpoint when processing empty filesystem URIs (`filesystem://` or `filesystem-v2://`). ### Impact This is a Denial of Service (DoS) vulnerability that allows authenticated attackers to cause service unavailability through malformed filesystem URI requests. The vulnerability affects: - The `/rest/binary-data` endpoint - n8n.cloud instances (confirmed HTTP/2 524 timeout responses) Attackers can exploit this by sending GET requests with empty filesystem URIs (`filesystem://` or `filesystem-v2://`) to the `/rest/binary-data` endpoint, causing resource exhaustion and service disruption. ### Patches The issue has been patched in [1.99.0](https://github.com/n8n-io/n8n/releases/tag/n8n%401.99.0). All users should upgrade to this version or later. The fix introduces strict checking of URI patterns. Patch commit: https://github.com/n8n-io/n8n/pull/16229
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Referenzen (10)
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- https://github.com/n8n-io/n8n/commit/43c52a8b4f844e91b02e3cc9df92826a2d7b6052cnnvd
- https://github.com/n8n-io/n8n/pull/16229cnnvd
- https://github.com/n8n-io/n8n/releasesPatchcnnvd
- https://github.com/n8n-io/n8n/security/advisories/GHSA-pr9r-gxgp-9rm8cnnvd
- https://github.com/n8n-io/n8n/commit/43c52a8b4f844e91b02e3cc9df92826a2d7b6052enisa_euvd
- https://github.com/n8n-io/n8n/pull/16229enisa_euvd
- https://github.com/n8n-io/n8n/security/advisories/GHSA-pr9r-gxgp-9rm8enisa_euvd
- https://github.com/n8n-io/n8n/commit/43c52a8b4f844e91b02e3cc9df92826a2d7b6052Patchnvd
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