CVE-2026-76239: stigmem-node 0 to before 0.9.0a11

CVE-2026-76239. CVSS 3.1 base score 6.3 (MEDIUM, Vendor/CNA). EPSS 0.00324 (percentile 0.24206), scored 22-Oct-2026.

Affected technology

stigmem-node · 0 to before 0.9.0a11
eidetic-labs

Description’s affected range: before 0.9.0a11 fails to validate the delivery_address parameter when creating webhook subscriptions

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

The source says stigmem before 0.9.0a11 fails to validate the delivery_address parameter when creating webhook subscriptions, allowing authenticated users to specify internal loopback and private network destinations. Vendor/CNA’s CVSS 4.0 assessment (base score 5.3/10) rates confidentiality, integrity and availability impact as low.

Published 24-Oct-2026 01:44 UTC

CWE: CWE-918
CCR priority: 25.3 /100 (P4)
CVSS 3.1: 6.3 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L · Vendor/CNA
EPSS: 0.00324 · percentile 0.24206 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-76239.html