Get real-time updates on Telegram
P4Verified
CVE-2025-66491: traefik from 3.5.0 (inclusive), before 3.6.3 (exclusive), >= 3.5.0, < 3.6.3
CVE-2025-66491. CVSS 3.1 base score 5.9 (MEDIUM, Vendor/CNA). EPSS 0.00221 (percentile 0.11681), scored 13-Oct-2026.
Affected technology
traefik · from 3.5.0 (inclusive), before 3.6.3 (exclusive)
traefik
traefik · >= 3.5.0, < 3.6.3
traefik
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
Vendor/CNA’s CVSS 3.1 assessment (base score 5.9/10) rates confidentiality impact as high; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.
- CWE
- CWE-295
- CCR priority
- 23.7 /100 (P4)
- CVSS 3.1
- 5.9 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N · Vendor/CNA
- EPSS
- 0.00221 · percentile 0.11681 · 2026-10-13
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-15 01:07:31.726917+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2025-66491.html