CVE-2026-121562: falha de média gravidade em CTFd
CTFd 3.1.0 before 3.8.7 Information Disclosure via /api/v1/teams Endpoint
Publicada em
Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 6.9epss 0.3%
CTFd 3.1.0 before 3.8.7 contains an information disclosure vulnerability in the /api/v1/teams list endpoint that exposes non-public team custom field values. Unauthenticated attackers can paginate GET requests to collect hidden registration data such as emails, phone numbers, and student IDs when team mode and public visibility are enabled.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
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Referências
https://blog.ctfd.io/ctfd-3-8-7/https://github.com/CTFd/CTFdhttps://github.com/CTFd/CTFd/blob/3.8.6/CTFd/api/v1/teams.py#L128-L131https://github.com/CTFd/CTFd/blob/3.8.6/CTFd/schemas/teams.py#L336-L363https://github.com/CTFd/CTFd/commit/122c224030224ca6a04d2928280055a84bbd4850https://github.com/CTFd/CTFd/releases/tag/3.8.7https://www.vulncheck.com/advisories/ctfd-3.1.0-before-3.8.7-information-disclosure-via-api-v1-teams-endpoint