{"id":81147,"date":"2025-10-03T12:46:52","date_gmt":"2025-10-03T12:46:52","guid":{"rendered":""},"modified":"2025-10-21T04:13:11","modified_gmt":"2025-10-21T10:13:11","slug":"cve-2025-59932-unauthenticated-post-and-delete-requests-vulnerability-in-flag-forge","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-59932-unauthenticated-post-and-delete-requests-vulnerability-in-flag-forge\/","title":{"rendered":"<strong>CVE-2025-59932: Unauthenticated POST and DELETE Requests Vulnerability in Flag Forge<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>Today, we delve into a significant vulnerability found in Flag Forge, a popular Capture The Flag (CTF) platform. This vulnerability, designated as CVE-2025-59932, affects versions 2.0.0 to 2.3.0 of the software, potentially exposing unauthorized users to system resources. As a <a href=\"https:\/\/www.ameeba.com\/blog\/introducing-the-ameeba-cybersecurity-group-chat\/\"  data-wpil-monitor-id=\"88544\">cybersecurity<\/a> expert, it is imperative to understand the implications of such a vulnerability, given its potential to compromise systems or lead to data leakage.<br \/>\nThe significance of this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-58353-critical-vulnerability-in-promptcraft-forge-studio-due-to-regex-blacklist-sanitization\/\"  data-wpil-monitor-id=\"88645\">vulnerability lies in the fact that Flag Forge<\/a> is extensively used by various organizations for cybersecurity training and competitions. Any security weakness in the platform could provide malicious users with an opportunity to <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-25180-underprivileged-software-manipulates-gpu-system-calls-for-unauthorized-access\/\"  data-wpil-monitor-id=\"88738\">manipulate the system<\/a> or access sensitive information, thereby undermining the integrity and credibility of the platform.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-59932<br \/>\nSeverity: Critical (CVSS: 8.6)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9443-buffer-overflow-vulnerability-in-tenda-ch22-1-0-0-1-potentially-leads-to-system-compromise\/\"  data-wpil-monitor-id=\"89026\">Potential system<\/a> compromise or data leakage<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-4128605\" class=\"ameeb-content-2 ameeb-entity-placement\"><div style=\"border-left: 4px solid #555; padding-left: 20px; margin: 48px 0; font-family: Roboto, sans-serif; color: #ffffff; line-height: 1.6; max-width: 700px;\">\r\n  <h2 style=\"margin-top: 0; font-size: 20px; font-weight: 600; display: flex; align-items: center;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"display: inline-flex; align-items: center; margin-right: 8px;\">\r\n      <img decoding=\"async\" src=\"https:\/\/www.ameeba.com\/blog\/wp-content\/uploads\/2025\/10\/Best-App-icon-Ameeba.png\" alt=\"Ameeba Chat Icon\" style=\"width: 40px; height: 40px;\" \/>\r\n    <\/a>\r\n    A new way to communicate\r\n  <\/h2>\r\n\r\n  <p style=\"margin-bottom: 12px;\">\r\n    Ameeba Chat is built on encrypted identity, not personal profiles.\r\n  <\/p>\r\n\r\n  <p style=\"margin-bottom: 16px;\">\r\n    Message, call, share files, and coordinate with identities kept separate.\r\n  <\/p>\r\n\r\n  <ul style=\"list-style: none; padding-left: 0; margin-bottom: 20px;\">\r\n    <li>\u2022 Encrypted identity<\/li>\r\n    <li>\u2022 Ameeba Chat authenticates access<\/li>\r\n    <li>\u2022 Aliases and categories<\/li>\r\n    <li>\u2022 End-to-end encrypted chat, calls, and files<\/li>\r\n    <li>\u2022 Secure notes for sensitive information<\/li>\r\n  <\/ul>\r\n\r\n  <p style=\"font-style: italic; font-weight: 600; margin-bottom: 24px;\">\r\n    Private communication, rethought.\r\n  <\/p>\r\n\r\n  <div style=\"display: flex; flex-wrap: wrap; gap: 12px;\">\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\/download\" style=\"background-color: #ffffff; color: #000000; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Download Ameeba Chat<\/a>\r\n    <a href=\"https:\/\/www.ameeba.com\/chat\" style=\"border: 1px solid #ffffff; color: #ffffff; padding: 10px 20px; text-decoration: none; border-radius: 6px; font-weight: 500;\">Learn More<\/a>\r\n  <\/div>\r\n<\/div>\r\n<\/div>\n<p>Product | Affected Versions<\/p>\n<p>Flag Forge | 2.0.0 to 2.3.0<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9712-critical-remote-code-execution-vulnerability-in-ivanti-endpoint-manager\/\"  data-wpil-monitor-id=\"89121\">vulnerability stems from a flaw in the \/api\/resources endpoint<\/a> of the Flag Forge platform. This endpoint was found to allow POST and DELETE requests without the need for proper authentication or authorization. Therefore, a malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-9693-arbitrary-file-deletion-vulnerability-in-user-meta-user-profile-builder-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"90565\">user could send unauthenticated POST or DELETE<\/a> requests to this endpoint to create, modify, or delete resources on the platform.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-2705448848\" class=\"ameeb-content ameeb-entity-placement\"><div class=\"poptin-embedded\" data-id=\"f6b387694f681\"><\/div>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\n<p>Here&#8217;s a conceptual example of how this vulnerability could be exploited. This is a sample HTTP POST request to the \/api\/resources endpoint:<\/p>\n<pre><code class=\"\" data-line=\"\">POST \/api\/resources HTTP\/1.1\nHost: flagforge.example.com\nContent-Type: application\/json\n{\n&quot;resource_id&quot;: &quot;123&quot;,\n&quot;resource_name&quot;: &quot;Fake Resource&quot;,\n&quot;resource_data&quot;: &quot;Malicious data...&quot;\n}<\/code><\/pre>\n<p>And here&#8217;s a sample HTTP DELETE request:<\/p>\n<pre><code class=\"\" data-line=\"\">DELETE \/api\/resources\/123 HTTP\/1.1\nHost: flagforge.example.com<\/code><\/pre>\n<p>Note that both requests are made without any form of authentication, yet they can potentially create or delete resources on the platform.<\/p>\n<p><strong>Mitigation<\/strong><\/p>\n<p>To mitigate this vulnerability, it is recommended to apply the vendor-provided patch by upgrading to Flag Forge version 2.3.1. For temporary mitigation, usage of Web Application Firewalls (WAF) or Intrusion Detection Systems (IDS) can help detect and block malicious <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-7812-critical-cross-site-request-forgery-vulnerability-in-video-share-vod-wordpress-plugin\/\"  data-wpil-monitor-id=\"88551\">requests targeting the vulnerable<\/a> endpoint.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview Today, we delve into a significant vulnerability found in Flag Forge, a popular Capture The Flag (CTF) platform. This vulnerability, designated as CVE-2025-59932, affects versions 2.0.0 to 2.3.0 of the software, potentially exposing unauthorized users to system resources. As a cybersecurity expert, it is imperative to understand the implications of such a vulnerability, given [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-81147","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/81147","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/comments?post=81147"}],"version-history":[{"count":7,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/81147\/revisions"}],"predecessor-version":[{"id":83509,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/81147\/revisions\/83509"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=81147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=81147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=81147"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=81147"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=81147"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=81147"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=81147"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=81147"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=81147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}