diff --git a/src/bootstrap/node-extra-ca-certs.test.ts b/src/bootstrap/node-extra-ca-certs.test.ts
index 61895b606ca..63d001da07c 100644
--- a/src/bootstrap/node-extra-ca-certs.test.ts
+++ b/src/bootstrap/node-extra-ca-certs.test.ts
@@ -48,6 +48,63 @@ describe("isNodeVersionManagerRuntime", () => {
   it("returns false for non-nvm node paths", () => {
     expect(isNodeVersionManagerRuntime({}, "/usr/bin/node")).toBe(false);
   });
+
+  it("detects fnm via execPath", () => {
+    expect(
+      isNodeVersionManagerRuntime({}, "/home/test/.fnm/node-versions/v22/installation/bin/node"),
+    ).toBe(true);
+  });
+
+  it("detects fnm via XDG data path", () => {
+    expect(
+      isNodeVersionManagerRuntime(
+        {},
+        "/home/test/.local/share/fnm/node-versions/v22/installation/bin/node",
+      ),
+    ).toBe(true);
+  });
+
+  it("detects nvs via dotted home path", () => {
+    expect(isNodeVersionManagerRuntime({}, "/home/test/.nvs/node/22.14.0/x64/bin/node")).toBe(true);
+  });
+
+  it("detects volta via execPath", () => {
+    expect(
+      isNodeVersionManagerRuntime({}, "/home/test/.volta/tools/image/node/22.14.0/bin/node"),
+    ).toBe(true);
+  });
+
+  it("detects asdf via execPath", () => {
+    expect(
+      isNodeVersionManagerRuntime({}, "/home/test/.asdf/installs/nodejs/22.14.0/bin/node"),
+    ).toBe(true);
+  });
+
+  it("detects mise via execPath", () => {
+    expect(
+      isNodeVersionManagerRuntime({}, "/home/test/.local/share/mise/installs/node/22.14.0/bin/node"),
+    ).toBe(true);
+  });
+
+  it("detects n via execPath", () => {
+    expect(isNodeVersionManagerRuntime({}, "/home/test/.n/bin/node")).toBe(true);
+  });
+
+  it("detects nodenv via execPath", () => {
+    expect(isNodeVersionManagerRuntime({}, "/home/test/.nodenv/versions/22.14.0/bin/node")).toBe(
+      true,
+    );
+  });
+
+  it("detects nodebrew via execPath", () => {
+    expect(isNodeVersionManagerRuntime({}, "/home/test/.nodebrew/node/v22.14.0/bin/node")).toBe(
+      true,
+    );
+  });
+
+  it("detects nvs via execPath", () => {
+    expect(isNodeVersionManagerRuntime({}, "/home/test/nvs/node/22.14.0/x64/bin/node")).toBe(true);
+  });
 });
 
 describe("resolveAutoNodeExtraCaCerts", () => {
diff --git a/src/bootstrap/node-extra-ca-certs.ts b/src/bootstrap/node-extra-ca-certs.ts
index e96a7e264ae..06260d00fcd 100644
--- a/src/bootstrap/node-extra-ca-certs.ts
+++ b/src/bootstrap/node-extra-ca-certs.ts
@@ -32,6 +32,27 @@ export function resolveLinuxSystemCaBundle(
   return undefined;
 }
 
+/**
+ * Version manager path markers (Linux subset), mirroring VERSION_MANAGER_MARKERS
+ * in src/daemon/runtime-paths.ts. Not imported directly because bootstrap code
+ * must avoid daemon-layer dependencies at startup.
+ * Version-manager-installed Node does not inherit system CA certificates,
+ * so we detect this to auto-inject NODE_EXTRA_CA_CERTS.
+ */
+const VERSION_MANAGER_PATH_MARKERS: readonly string[] = [
+  "/.nvm/",
+  "/.fnm/",
+  "/.local/share/fnm/",
+  "/.volta/",
+  "/.asdf/",
+  "/.local/share/mise/",
+  "/.n/",
+  "/.nodenv/",
+  "/.nodebrew/",
+  "/nvs/",
+  "/.nvs/",
+];
+
 export function isNodeVersionManagerRuntime(
   env: EnvMap = process.env as EnvMap,
   execPath: string = process.execPath,
@@ -39,7 +60,7 @@ export function isNodeVersionManagerRuntime(
   if (env.NVM_DIR?.trim()) {
     return true;
   }
-  return execPath.includes("/.nvm/");
+  return VERSION_MANAGER_PATH_MARKERS.some((marker) => execPath.includes(marker));
 }
 
 export function resolveAutoNodeExtraCaCerts(