CVE-2026-57953: mythic before 3.4.0.60 (exclusive); +1 more affected products

CVE-2026-57953. CVSS 3.1 base score 5.4 (MEDIUM, Vendor/CNA). EPSS 0.00438 (percentile 0.37758), scored 25-Oct-2026.

Affected technology

mythic · before 3.4.0.60 (exclusive)
its-a-feature

Mythic · 0 to before 3.4.0.60
its-a-feature

Description’s affected range: before 3.4.0.60

Component: Not specified by the source

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

What an attacker can do

Authenticated spectator-role users can perform unauthorized write operations by accessing the eventing_import_automatic_webhook endpoint registered under spectator-permitted middleware. Vendor/CNA’s CVSS 4.0 assessment (base score 5.3/10) rates confidentiality impact as none; integrity and availability impact as low.

Published 25-Oct-2026 21:45 UTC

CWE: CWE-863
CCR priority: 21.7 /100 (P4)
CVSS 3.1: 5.4 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L · Vendor/CNA
EPSS: 0.00438 · percentile 0.37758 · 2026-10-25
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-25 21:44:36.062275+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-57953.html