CVE-2026-111675

HighCVSS 7.4/10Last modified Oct 19, 2026

Description

Course-tencent-cloud through 2.0.1 contains an improper restriction of authentication attempts vulnerability that allows unauthenticated attackers to brute force 6-digit SMS/email verification codes, which are never invalidated or attempt-limited. Attackers who know a victim's phone or email can trigger a code and rotate source IPs against the password reset and verify login endpoints to take over accounts.

Metrics

CVSS 3.1 7.4/10CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness enumeration

CWE-307

Affected software

No affected versions have been published.

Timeline

Published
Oct 16, 2026
Last modified
Oct 19, 2026
NVD status
Deferred

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CVE-2026-111675: High severity, CVSS 7.4 | Vulnix