CVE-2026-66005: jan 0 through 0.8.4

CVE-2026-66005. CVSS 3.1 base score 6.3 (MEDIUM, Vendor/CNA). EPSS 0.00331 (percentile 0.24941), scored 22-Oct-2026.

Affected technology

jan · 0 through 0.8.4
janhq

Description’s affected range: through 0.8.4, fixed in commit 3e1c1e7,

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · Passive user interaction

What an attacker can do

Network-adjacent attackers can bypass trusted host restrictions by exploiting the server's replacement of user-configured trusted hosts with a wildcard that reflects arbitrary origins with credentials. Vendor/CNA’s CVSS 4.0 assessment (base score 5.3/10) rates confidentiality, integrity and availability impact as low.

Published 24-Oct-2026 15:08 UTC

CWE: CWE-183, CWE-942
CCR priority: 25.3 /100 (P4)
CVSS 3.1: 6.3 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L · Vendor/CNA
EPSS: 0.00331 · percentile 0.25016 · 2026-10-24
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-24 15:07:27.951960+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-66005.html