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CVE-2026-63466: unleash < 8.0.3
CVE-2026-63466. CVSS 3.1 base score 4.1 (MEDIUM, Vendor/CNA). EPSS 0.00319 (percentile 0.23074), scored 13-Oct-2026.
Affected technology
unleash · < 8.0.3
Unleash
Component: Not specified by the source
Function: before
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · Low privileges required · User interaction required
What an attacker can do
An editor-level user can place Slack or Microsoft Teams link syntax in an unrestricted username, trigger a feature event, and inject an attacker-labeled link into a trusted outbound notification channel, while other Mustache sinks remain unescaped until restart. Vendor/CNA’s CVSS 3.1 assessment (base score 4.1/10) rates confidentiality and availability impact as none; integrity impact as low.
- CWE
- CWE-116
- CCR priority
- 16.5 /100 (P5)
- CVSS 3.1
- 4.1 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N · Vendor/CNA
- EPSS
- 0.00319 · percentile 0.23074 · 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-2026-63466.html