CVE-2026-111675
High
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.
SeverityHigh
CVSS7.4
Exploit probability—
ProductXiaochong0302 Course-tencent-cloud
PublishedOct 16, 2026
First seenOct 16, 2026
Weakness typeCWE-307CWE-307
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| xiaochong0302 course-tencent-cloud | v ≤ 2.0.1 | — |
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