CVE-2026-111675
highCourse-tencent-cloud through 2.0.1 contains an improper restriction of authentication attempts vulnerability that allows unauthenticated attackers to brute for…
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/xiaochong0302/course-tencent-cloud/blob/v2.0.1/app/Services/Logic/Accou... disclosure@vulncheck.com
- https://github.com/xiaochong0302/course-tencent-cloud/blob/v2.0.1/app/Services/Verify.php#... disclosure@vulncheck.com
- https://hackmd.io/@hieuPenguinnn/ctc-verify-code-brute-force-account-takeover disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/course-tencent-cloud-through-2.0.1-verification-code-... disclosure@vulncheck.com
- https://hackmd.io/@hieuPenguinnn/ctc-verify-code-brute-force-account-takeover 134c704f-9b21-4f2e-91b3-4a467353bcc0