CVE-2025-56265

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.60% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 46.2% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-09-08 00:00Z12 MO AGO

Last updated

2025-09-08 18:35Z12 MO AGO

Reserved

2025-08-16

Assigning CNA

mitre

Record state

PUBLISHED

Severity

High (CVSS 8.8)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

• CWE-434Unrestricted Upload of File with Dangerous TypeBase

Data version

5.1

Document digest

2627308f6c2791cf763391256573b55c08b9e55eed4ab64d4436f1e3661ae7a8

• github.comhttps://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1
• github.comhttps://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload
• github.comhttps://github.com/nikolas-ch/CVEs/blob/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload/StoredXSSviaUnristrictedFileUpload.txt