diff --git a/sdk/typescript/src/bulk-scan-discovery.ts b/sdk/typescript/src/bulk-scan-discovery.ts
index cfad210a..bc72fbf0 100644
--- a/sdk/typescript/src/bulk-scan-discovery.ts
+++ b/sdk/typescript/src/bulk-scan-discovery.ts
@@ -8,6 +8,7 @@ import { promisify } from "node:util";
 import { confirm, input, search } from "@inquirer/prompts";
 import { Octokit } from "@octokit/core";
 import Papa from "papaparse";
+import { expandHome } from "./runtime.js";
 import { resolveTrustedExecutable } from "./trusted-executable.js";
 
 const execFile = promisify(execFileCallback);
@@ -160,9 +161,11 @@ export async function runBulkScanWizard(
 
   const outputDir = resolve(
     dependencies.currentDirectory(),
-    await prompt.input(
-      "Where should scan results be saved?",
-      "./security-scans",
+    expandHome(
+      await prompt.input(
+        "Where should scan results be saved?",
+        "./security-scans",
+      ),
     ),
   );
   const inputPath = join(outputDir, "repositories.csv");
diff --git a/sdk/typescript/src/cli.ts b/sdk/typescript/src/cli.ts
index 1abe8302..d480593d 100644
--- a/sdk/typescript/src/cli.ts
+++ b/sdk/typescript/src/cli.ts
@@ -180,6 +180,10 @@ function optionValue(flag: string) {
   return z.string().min(1, `${flag} must not be empty.`);
 }
 
+function resolveCliPath(directory: string, value: string): string {
+  return resolve(directory, expandHome(value));
+}
+
 function effortOption() {
   return z
     .enum(MODEL_REASONING_EFFORTS, {
@@ -734,14 +738,14 @@ export async function main(
         const repository =
           options.scanRoot !== undefined && args.repository === undefined
             ? undefined
-            : resolve(directory, args.repository ?? directory);
+            : resolveCliPath(directory, args.repository ?? directory);
         return presentHistory(
           await history([
             "list-scans",
             ...(repository === undefined ? [] : ["--repository", repository]),
             ...(options.scanRoot === undefined
               ? []
-              : ["--scan-root", resolve(directory, options.scanRoot)]),
+              : ["--scan-root", resolveCliPath(directory, options.scanRoot)]),
           ]),
           "list",
           format,
@@ -750,7 +754,7 @@ export async function main(
             scanRoot:
               options.scanRoot === undefined
                 ? undefined
-                : resolve(directory, options.scanRoot),
+                : resolveCliPath(directory, options.scanRoot),
           },
         );
       },
@@ -1111,7 +1115,10 @@ export async function main(
             "git",
             [
               "-C",
-              resolve(dependencies.currentDirectory(), args.repository ?? "."),
+              resolveCliPath(
+                dependencies.currentDirectory(),
+                args.repository ?? ".",
+              ),
               "rev-parse",
               "--path-format=absolute",
               "--git-path",
@@ -1284,8 +1291,8 @@ export async function main(
                 "--output-dir is required with a repository CSV.",
               );
             }
-            inputPath = resolve(currentDirectory, args.input);
-            outputDir = resolve(currentDirectory, options.outputDir);
+            inputPath = resolveCliPath(currentDirectory, args.input);
+            outputDir = resolveCliPath(currentDirectory, options.outputDir);
           }
           const result = await runMultiscan({
             inputPath,
@@ -1369,12 +1376,12 @@ export async function main(
         const currentDirectory = dependencies.currentDirectory();
         exitCode = await runExport(
           {
-            scanDir: resolve(currentDirectory, args.scanDir),
+            scanDir: resolveCliPath(currentDirectory, args.scanDir),
             format: options.exportFormat,
             output:
               options.output === "-"
                 ? "-"
-                : resolve(
+                : resolveCliPath(
                     currentDirectory,
                     options.output ??
                       EXPORT_DEFAULT_OUTPUTS[options.exportFormat],
@@ -1382,7 +1389,7 @@ export async function main(
             sourceRoot:
               options.sourceRoot === undefined
                 ? undefined
-                : resolve(currentDirectory, options.sourceRoot),
+                : resolveCliPath(currentDirectory, options.sourceRoot),
             pythonPath: options.python,
           },
           output,
diff --git a/sdk/typescript/src/runtime.ts b/sdk/typescript/src/runtime.ts
index 93b98c5e..ec5d89ca 100644
--- a/sdk/typescript/src/runtime.ts
+++ b/sdk/typescript/src/runtime.ts
@@ -2006,9 +2006,11 @@ async function sameFile(left: string, right: string): Promise<boolean> {
 }
 
 export function expandHome(value: string): string {
-  if (value === "~") return homedir();
+  const home =
+    process.env["HOME"]?.trim() || process.env["USERPROFILE"]?.trim() || homedir();
+  if (value === "~") return home;
   if (value.startsWith("~/") || value.startsWith("~\\")) {
-    return join(homedir(), value.slice(2));
+    return join(home, value.slice(2));
   }
   return value;
 }
diff --git a/sdk/typescript/src/targets.ts b/sdk/typescript/src/targets.ts
index 0cd58206..618753fd 100644
--- a/sdk/typescript/src/targets.ts
+++ b/sdk/typescript/src/targets.ts
@@ -438,11 +438,13 @@ function abortReason(signal: AbortSignal): unknown {
 }
 
 function expandHome(value: string): string {
+  const home =
+    process.env["HOME"]?.trim() || process.env["USERPROFILE"]?.trim() || homedir();
   if (value === "~") {
-    return homedir();
+    return home;
   }
   if (value.startsWith("~/") || value.startsWith("~\\")) {
-    return resolve(homedir(), value.slice(2).replace(/^[/\\]+/, ""));
+    return resolve(home, value.slice(2).replace(/^[/\\]+/, ""));
   }
   return value;
 }
diff --git a/sdk/typescript/tests-ts/bulk-scan-discovery.test.ts b/sdk/typescript/tests-ts/bulk-scan-discovery.test.ts
index a8337649..90736337 100644
--- a/sdk/typescript/tests-ts/bulk-scan-discovery.test.ts
+++ b/sdk/typescript/tests-ts/bulk-scan-discovery.test.ts
@@ -282,6 +282,31 @@ describe("bulk scan repository discovery", () => {
     expect(csv).not.toContain("unrelated");
   });
 
+  test("expands a home-relative output directory from the wizard prompt", async () => {
+    const root = await temporaryDirectory();
+    const home = join(root, "home");
+    await mkdir(home);
+    const previousHome = process.env.HOME;
+    const previousProfile = process.env.USERPROFILE;
+    process.env.HOME = home;
+    process.env.USERPROFILE = home;
+    try {
+      const { dependencies, prompt } = discoveryDependencies(root);
+      prompt.confirms = [true];
+      prompt.inputs = ["~/custom-results"];
+
+      const result = await runBulkScanWizard(dependencies);
+
+      expect(result?.outputDir).toBe(join(home, "custom-results"));
+      expect(await lstat(join(root, "~")).catch(() => null)).toBeNull();
+    } finally {
+      if (previousHome === undefined) delete process.env.HOME;
+      else process.env.HOME = previousHome;
+      if (previousProfile === undefined) delete process.env.USERPROFILE;
+      else process.env.USERPROFILE = previousProfile;
+    }
+  });
+
   test("includes public repositories and excludes archived, forked, and empty repositories", async () => {
     const root = await temporaryDirectory();
     const { dependencies, prompt } = discoveryDependencies(root, {
diff --git a/sdk/typescript/tests-ts/cli.test.ts b/sdk/typescript/tests-ts/cli.test.ts
index 84b7d7c2..6ee2d830 100644
--- a/sdk/typescript/tests-ts/cli.test.ts
+++ b/sdk/typescript/tests-ts/cli.test.ts
@@ -701,6 +701,49 @@ describe("CLI", () => {
     }
   });
 
+  test("expands ~ in bulk-scan path arguments", async () => {
+    const root = await mkdtemp(join(tmpdir(), "codex-security-cli-tilde-"));
+    const home = join(root, "home");
+    const work = join(root, "work");
+    const previousHome = process.env.HOME;
+    const previousProfile = process.env.USERPROFILE;
+    try {
+      await mkdir(home);
+      await mkdir(work);
+      await multiscanInventory(home);
+      process.env.HOME = home;
+      process.env.USERPROFILE = home;
+      const stdout = capture();
+      const stderr = capture();
+      expect(
+        await main(
+          [
+            "bulk-scan",
+            "~/repositories.csv",
+            "--output-dir",
+            "~/security-scans",
+            "--json",
+          ],
+          stdout.stream,
+          stderr.stream,
+          dependencies({
+            currentDirectory: work,
+          }),
+        ),
+      ).toBe(0);
+      expect(JSON.parse(stdout.text())).toMatchObject({
+        resultsPath: join(home, "security-scans", "results.jsonl"),
+      });
+      expect(await stat(join(work, "~")).catch(() => null)).toBeNull();
+    } finally {
+      if (previousHome === undefined) delete process.env.HOME;
+      else process.env.HOME = previousHome;
+      if (previousProfile === undefined) delete process.env.USERPROFILE;
+      else process.env.USERPROFILE = previousProfile;
+      await rm(root, { recursive: true, force: true });
+    }
+  });
+
   test("preserves the bulk-scan failure summary and redacts progress errors", async () => {
     const root = await mkdtemp(join(tmpdir(), "codex-security-cli-multiscan-"));
     try {