P4Verified

CVE-2026-63306: stoatchat 0 to before 0.13.5

CVE-2026-63306. CVSS 3.1 base score 8.6 (HIGH, Vendor/CNA). EPSS 0.00409 (percentile 0.32967), scored 2026-10-06.

Affected technology

stoatchat · 0 to before 0.13.5
stoatchat

Description’s affected range: before 0.13.5

Component: Not specified by the source

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

What an attacker can do

Attackers can enumerate internal services, fingerprint applications, and reach instance metadata endpoints by supplying malicious URLs or leveraging redirect chains to access internal infrastructure. Vendor/CNA’s CVSS 4.0 assessment (base score 9.2/10) rates confidentiality impact as high; integrity and availability impact as none.

Published 2026-10-08 17:34:48.286228+00:00

CWE: CWE-918
CCR priority: 34.5 /100 (P4)
CVSS 3.1: 8.6 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N · Vendor/CNA
EPSS: 0.00409 · percentile 0.33081 · 2026-10-08
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-08 17:36:22.845483+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-63306.html