CRITICAL 9.1 NVD
CVE-2026-111675
Course-tencent-cloud through 2.0.1 contains an improper restriction of authentication attempts vulnerability that allows unauthenticated attackers to brute forc
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.
References
- https://github.com/xiaochong0302/course-tencent-cloud/blob/v2.0.1/app/Services/Logic/Accou
- https://github.com/xiaochong0302/course-tencent-cloud/blob/v2.0.1/app/Services/Verify.php#
- https://hackmd.io/@hieuPenguinnn/ctc-verify-code-brute-force-account-takeover
- https://www.vulncheck.com/advisories/course-tencent-cloud-through-2.0.1-verification-code-
This critical severity vulnerability with a CVSS score of 9.1 was published on 2026-10-16 via NVD.
Risk Timeline
CVE Disclosed2026-10-16 · -1 days ago
Remediation Resources
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