{"id":59737,"date":"2025-07-29T20:57:31","date_gmt":"2025-07-29T20:57:31","guid":{"rendered":""},"modified":"2025-10-28T00:14:19","modified_gmt":"2025-10-28T06:14:19","slug":"cve-2025-41240-unauthenticated-access-to-sensitive-kubernetes-secrets-via-bitnami-helm-charts","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-41240-unauthenticated-access-to-sensitive-kubernetes-secrets-via-bitnami-helm-charts\/","title":{"rendered":"<strong>CVE-2025-41240: Unauthenticated Access to Sensitive Kubernetes Secrets via Bitnami Helm Charts<\/strong>"},"content":{"rendered":"<p><strong>Overview<\/strong><\/p>\n<p>CVE-2025-41240 is a serious cybersecurity vulnerability concerning Bitnami Helm charts. These charts, when deployed with specific default settings, can expose Kubernetes Secrets under a predictable path, potentially susceptible to HTTP\/S exploits. This vulnerability is of significant concern to organizations using Bitnami Helm charts for orchestrating their Kubernetes application deployments, as an attacker could <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36600-dell-bios-improper-access-control-vulnerability-allows-potential-system-compromise\/\"  data-wpil-monitor-id=\"70949\">potentially gain unauthenticated access<\/a> to sensitive credentials. The risk is exacerbated if the application is exposed externally, making this a critical concern for cloud-based deployments.<\/p>\n<p><strong>Vulnerability Summary<\/strong><\/p>\n<p>CVE ID: CVE-2025-41240<br \/>\nSeverity: Critical (10.0 CVSS Score)<br \/>\nAttack Vector: Network<br \/>\nPrivileges Required: None<br \/>\nUser Interaction: None<br \/>\nImpact: Potential system compromise or data leakage, <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-5835-droip-plugin-for-wordpress-unauthorized-access-and-modification-vulnerability\/\"  data-wpil-monitor-id=\"68977\">unauthorized access<\/a> to sensitive credentials.<\/p>\n<p><strong>Affected Products<\/strong><\/p><div id=\"ameeb-599970660\" 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>Bitnami Helm Charts | All <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-55010-arbitrary-php-object-instantiation-in-kanboard-prior-to-version-1-2-47\/\"  data-wpil-monitor-id=\"78039\">versions prior<\/a> to the patch<\/p>\n<p><strong>How the Exploit Works<\/strong><\/p>\n<p>The <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-43553-uncontrolled-search-path-element-exploit-in-substance3d-modeler\/\"  data-wpil-monitor-id=\"91564\">exploit takes advantage of the predictable path<\/a> (\/opt\/bitnami\/*\/secrets) under which Kubernetes Secrets are mounted by Bitnami Helm charts. If the application is exposed externally and the default setting of usePasswordFiles=true is used, these secrets become <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46093-critical-vulnerability-in-liquidfiles-allowing-root-access-via-ftp-site-chmod\/\"  data-wpil-monitor-id=\"74487\">accessible via<\/a> HTTP\/S. This means a <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-49672-buffer-overflow-vulnerability-in-windows-routing-and-remote-access-service\/\"  data-wpil-monitor-id=\"67818\">remote attacker could retrieve these secrets by simply accessing<\/a> specific URLs, achieving unauthenticated access to sensitive credentials and potentially leading to system compromise or data leakage.<\/p>\n<p><strong>Conceptual Example Code<\/strong><\/p><div id=\"ameeb-95362788\" 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>An attacker might exploit this <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-36845-server-side-request-forgery-ssrf-vulnerability-in-eveo-urve-web-manager\/\"  data-wpil-monitor-id=\"70948\">vulnerability using a simple HTTP GET request<\/a>, like the following example:<\/p>\n<pre><code class=\"\" data-line=\"\">GET \/opt\/bitnami\/app\/secrets HTTP\/1.1\nHost: target.example.com<\/code><\/pre>\n<p>In response to such a request, the server could potentially expose sensitive Kubernetes Secrets in plaintext, which the attacker could then use to gain <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-4855-unauthorized-access-vulnerability-in-support-board-plugin-for-wordpress\/\"  data-wpil-monitor-id=\"70947\">unauthorized access<\/a> or perform other malicious activities.<\/p>\n<p><strong>Mitigation and Patching<\/strong><\/p>\n<p>To mitigate this vulnerability, users are advised to apply the vendor-provided patch as soon as possible. As a temporary measure, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used to identify and block <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-46414-unlimited-pin-attempts-vulnerability-in-api\/\"  data-wpil-monitor-id=\"81272\">attempts to exploit this vulnerability<\/a>. However, these systems merely provide a stopgap solution and don&#8217;t address the <a href=\"https:\/\/www.ameeba.com\/blog\/cve-2025-52688-critical-vulnerability-allowing-root-command-injection-on-access-point\/\"  data-wpil-monitor-id=\"70950\">root cause of the vulnerability<\/a>. As such, application of the patch remains the most effective resolution method.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Overview CVE-2025-41240 is a serious cybersecurity vulnerability concerning Bitnami Helm charts. These charts, when deployed with specific default settings, can expose Kubernetes Secrets under a predictable path, potentially susceptible to HTTP\/S exploits. This vulnerability is of significant concern to organizations using Bitnami Helm charts for orchestrating their Kubernetes application deployments, as an attacker could potentially [&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":[89],"product":[],"attack_vector":[],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-59737","post","type-post","status-publish","format-standard","hentry","category-uncategorized","vendor-kubernetes"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59737","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=59737"}],"version-history":[{"count":7,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59737\/revisions"}],"predecessor-version":[{"id":84729,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/posts\/59737\/revisions\/84729"}],"wp:attachment":[{"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/media?parent=59737"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/categories?post=59737"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/tags?post=59737"},{"taxonomy":"vendor","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/vendor?post=59737"},{"taxonomy":"product","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/product?post=59737"},{"taxonomy":"attack_vector","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/attack_vector?post=59737"},{"taxonomy":"asset_type","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/asset_type?post=59737"},{"taxonomy":"severity","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/severity?post=59737"},{"taxonomy":"exploit_status","embeddable":true,"href":"https:\/\/www.ameeba.com\/blog\/wp-json\/wp\/v2\/exploit_status?post=59737"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}