CVE-2026-121562

MediumCVSS 5.3/10Last modified Nov 11, 2026

Description

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-863

Affected software

No affected versions have been published.

Timeline

Published: Nov 3, 2026
Last modified: Nov 11, 2026
NVD status: Deferred

Related CVEs from 2026

CVE-2026-1215641.8Incomplete Comparison with Missing Factors (CWE-1023) in merge_chats() (whatstk/utils/chat_merge.py), reached from BaseChat.merge(), in what CVE-2026-1215657.4Tanium addressed an improper certificate validation vulnerability in multiple products. Products have been updated to distrust several inter CVE-2026-121576.4The BetterDocs - Knowledge Base Docs & FAQ Solution for Elementor & Block Editor plugin for WordPress is vulnerable to Stored Cross-Site Scr CVE-2026-1215707.1Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WP Chill RSVP and Event Management rsv CVE-2026-1215715.3Missing Authorization vulnerability in WP Desk Autopay dla WooCommerce pay-wp allows Exploiting Incorrectly Configured Access Control Securi CVE-2026-1215736.5Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Melapress WP Activity Log wp-security-CVE-2026-1215745.3Missing Authorization vulnerability in WP Chill Passster content-protector allows Exploiting Incorrectly Configured Access Control Security CVE-2026-1215755.3Missing Authorization vulnerability in WP User Manager WP User Manager wp-user-manager allows Exploiting Incorrectly Configured Access Contr CVE-2026-1215768.8Incorrect Privilege Assignment vulnerability in AtlasAiDev MCP Server for WordPress ai-workflow-automation-ai-agent-hub allows Privilege Esc CVE-2026-1215776.7Inefficient Regular Expression Complexity (CWE-1333) in generate_regex() (whatstk/whatsapp/parser.py) in whatstk from 0.2.0 before 0.9.0 all CVE-2026-1215786.1Tactical RMM contains a stored XSS vulnerability caused by improperly validated input or encode output for various fields, enabling HTML/Jav CVE-2026-1215796.5Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Unlimited Elements Unlimited Elements