CVE-2025-47781 describes a critical authentication bypass vulnerability in Rallly, an open-source scheduling and collaboration tool, affecting all versions up to and including 3.22.1. An unauthenticated attacker can take over any user account by brute-forcing the 6-digit authentication token within its 15-minute expiration window, given knowledge of a valid email address. This vulnerability has a CVSS score of 9.8 (CRITICAL) due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion, and no patched versions are available.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.11.2CPE matchmatch criteria | cpe:2.3:a:rallly:rallly:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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