diff --git a/src/allureReader.js b/src/allureReader.js
index a15e2dbf..66f5949d 100644
--- a/src/allureReader.js
+++ b/src/allureReader.js
@@ -183,7 +183,7 @@ class AllureReader {
       suite_title: this.extractSuiteTitle(result),
       file: this.extractFile(result),
       run_time: this.calculateRunTime(result),
-      steps: this.convertSteps(result.steps || []),
+      steps: this.convertSteps(result.steps || [], resultsDir),
       message: result.statusDetails?.message || '',
       stack: result.statusDetails?.trace || '',
       meta: this.extractMeta(result),
@@ -209,21 +209,9 @@ class AllureReader {
       test.example = this.convertParameters(result.parameters);
     }
 
-    if (result.attachments && result.attachments.length > 0) {
-      const attachments = result.attachments
-        .map(att => {
-          const fullPath = path.join(resultsDir, att.source);
-          if (fs.existsSync(fullPath)) {
-            return fullPath;
-          }
-          debug('Attachment file not found:', fullPath);
-          return null;
-        })
-        .filter(Boolean);
-
-      if (attachments.length > 0) {
-        test.files = attachments;
-      }
+    const attachments = this.resolveAttachments(result.attachments, resultsDir);
+    if (attachments.length > 0) {
+      test.files = attachments;
     }
 
     return test;
@@ -531,7 +519,7 @@ class AllureReader {
     return this.extractTmsIdsFromSource(contents, test)[0] || null;
   }
 
-  convertSteps(steps, depth = 0) {
+  convertSteps(steps, resultsDir = '', depth = 0) {
     if (depth >= 10) return null;
 
     return steps
@@ -541,9 +529,15 @@ class AllureReader {
           title: step.name || step.title || 'Unknown step',
           status: this.mapStepStatus(step.status),
           duration: this.calculateRunTime(step),
-          steps: this.convertSteps(step.steps || [], depth + 1),
+          steps: this.convertSteps(step.steps || [], resultsDir, depth + 1),
         };
 
+        // step attachments stay on the step; uploadArtifacts() swaps the paths for links
+        const attachments = this.resolveAttachments(step.attachments, resultsDir);
+        if (attachments.length > 0) {
+          convertedStep.artifacts = attachments;
+        }
+
         // Attach the failure description (error message + trace with the failing
         // code line) straight onto the failed step. Testomat.io renders a step's
         // `error` inline in the step tree, so the failure shows up on the exact
@@ -876,16 +870,68 @@ class AllureReader {
     return paths;
   }
 
+  /**
+   * @param {Array<{source?: string}>|undefined} attachments
+   * @param {string} resultsDir
+   * @returns {string[]} paths of attachments that exist on disk
+   */
+  resolveAttachments(attachments, resultsDir) {
+    if (!attachments || !attachments.length) return [];
+
+    return attachments
+      .map(att => {
+        if (!att?.source) return null;
+        const fullPath = path.join(resultsDir || '', att.source);
+        if (fs.existsSync(fullPath)) return fullPath;
+        debug('Attachment file not found:', fullPath);
+        return null;
+      })
+      .filter(Boolean);
+  }
+
+  /**
+   * Replaces step artifact paths with S3 links, dropping failed uploads (a local path
+   * would be a dead link in the UI).
+   *
+   * @param {Array<object>|undefined} steps
+   * @param {string} runId
+   * @param {string} rid
+   * @returns {Promise<number>} number of uploaded step artifacts
+   */
+  async uploadStepArtifacts(steps, runId, rid) {
+    if (!steps || !steps.length) return 0;
+
+    let uploaded = 0;
+    for (const step of steps) {
+      if (step.artifacts?.length) {
+        const links = await Promise.all(
+          step.artifacts.map(f => this.uploader.uploadFileByPath(f, [runId, rid, 'steps', path.basename(f)])),
+        );
+        step.artifacts = links.filter(link => !!link);
+        uploaded += step.artifacts.length;
+        if (!step.artifacts.length) delete step.artifacts;
+      }
+      uploaded += await this.uploadStepArtifacts(step.steps, runId, rid);
+    }
+    return uploaded;
+  }
+
   async uploadArtifacts() {
-    for (const test of this._tests.filter(t => t.files && t.files.length > 0)) {
+    for (const test of this._tests) {
       const runId = this.runId || this.store.runId || Date.now().toString();
-      const artifacts = await Promise.all(
-        test.files.map(f => this.uploader.uploadFileByPath(f, [runId, test.rid, path.basename(f)])),
+
+      // uploadFileByPath resolves to a link string, or undefined if skipped or failed
+      const links = await Promise.all(
+        (test.files || []).map(f => this.uploader.uploadFileByPath(f, [runId, test.rid, path.basename(f)])),
       );
-      test.artifacts = artifacts.filter(a => a && a.link).map(a => a.link);
+      test.artifacts = links.filter(link => !!link);
       delete test.files;
-      if (test.artifacts.length > 0) {
-        console.log(APP_PREFIX, `🗄️ Uploaded ${pc.bold(`${test.artifacts.length} artifacts`)} for test ${test.title}`);
+
+      const stepArtifacts = await this.uploadStepArtifacts(test.steps, runId, test.rid);
+
+      const total = test.artifacts.length + stepArtifacts;
+      if (total > 0) {
+        console.log(APP_PREFIX, `🗄️ Uploaded ${pc.bold(`${total} artifacts`)} for test ${test.title}`);
       }
     }
   }
diff --git a/src/xmlReader.js b/src/xmlReader.js
index d00419cc..e3cadf6d 100644
--- a/src/xmlReader.js
+++ b/src/xmlReader.js
@@ -533,8 +533,10 @@ class XmlReader {
       if (!files.length) continue;
 
       const runId = this.runId || this.store.runId || Date.now().toString();
-      test.artifacts = await Promise.all(files.map(f => this.uploader.uploadFileByPath(f, [runId, path.basename(f)])));
-      log.info(`🗄️ Uploaded ${pc.bold(`${files.length} artifacts`)} for test ${test.title}`);
+      // undefined for skipped/failed uploads; keeping those serializes as `null` links
+      const links = await Promise.all(files.map(f => this.uploader.uploadFileByPath(f, [runId, path.basename(f)])));
+      test.artifacts = links.filter(link => !!link);
+      log.info(`🗄️ Uploaded ${pc.bold(`${test.artifacts.length} artifacts`)} for test ${test.title}`);
     }
   }
 
diff --git a/tests/unit/allure_artifacts_test.js b/tests/unit/allure_artifacts_test.js
new file mode 100644
index 00000000..6d1738bb
--- /dev/null
+++ b/tests/unit/allure_artifacts_test.js
@@ -0,0 +1,151 @@
+import { expect } from 'chai';
+import fs from 'fs';
+import os from 'os';
+import path from 'path';
+import AllureReader from '../../src/allureReader.js';
+
+// Assertions round-trip through JSON on purpose: reading `.link` off the link strings
+// resolved to `String.prototype.link`, which stayed truthy and countable until the
+// payload was serialized and every artifact turned into `null`.
+describe('AllureReader artifacts', () => {
+  let reader;
+  let uploadedPaths;
+  let savedEnv;
+
+  // the AllureReader constructor turns these on globally and never restores them
+  beforeEach(() => {
+    savedEnv = {
+      stack: process.env.TESTOMATIO_STACK_PASSED,
+      steps: process.env.TESTOMATIO_STEPS_PASSED,
+    };
+
+    reader = new AllureReader({ apiKey: 'test-api-key' });
+    reader.runId = 'run-1';
+    uploadedPaths = [];
+  });
+
+  afterEach(() => {
+    if (savedEnv.stack === undefined) delete process.env.TESTOMATIO_STACK_PASSED;
+    else process.env.TESTOMATIO_STACK_PASSED = savedEnv.stack;
+
+    if (savedEnv.steps === undefined) delete process.env.TESTOMATIO_STEPS_PASSED;
+    else process.env.TESTOMATIO_STEPS_PASSED = savedEnv.steps;
+  });
+
+  function stubUploader(resolve) {
+    reader.uploader = {
+      uploadFileByPath: async (filePath, pathInS3) => {
+        uploadedPaths.push({ filePath, pathInS3 });
+        return resolve(filePath);
+      },
+    };
+  }
+
+  it('sends uploaded links, not nulls, in the serialized payload', async () => {
+    const test = {
+      rid: 'rid-1',
+      title: 'testCanChangeMeasurementSystem',
+      files: ['/results/a.png', '/results/b.png', '/results/c.txt'],
+    };
+    reader._tests = [test];
+    stubUploader(filePath => `https://bucket.s3.amazonaws.com${filePath}`);
+
+    await reader.uploadArtifacts();
+
+    const payload = JSON.parse(JSON.stringify(test));
+    expect(payload.artifacts).to.deep.equal([
+      'https://bucket.s3.amazonaws.com/results/a.png',
+      'https://bucket.s3.amazonaws.com/results/b.png',
+      'https://bucket.s3.amazonaws.com/results/c.txt',
+    ]);
+    expect(payload.files).to.be.undefined;
+  });
+
+  it('drops artifacts that were skipped or failed to upload', async () => {
+    const test = {
+      rid: 'rid-2',
+      title: 'partial upload',
+      files: ['/results/a.png', '/results/too-big.zip'],
+    };
+    reader._tests = [test];
+    stubUploader(filePath => {
+      if (filePath.endsWith('.zip')) return undefined;
+      return `https://bucket.s3.amazonaws.com${filePath}`;
+    });
+
+    await reader.uploadArtifacts();
+
+    expect(JSON.parse(JSON.stringify(test)).artifacts).to.deep.equal([
+      'https://bucket.s3.amazonaws.com/results/a.png',
+    ]);
+  });
+
+  it('replaces nested step artifact paths with uploaded links', async () => {
+    const test = {
+      rid: 'rid-3',
+      title: 'step attachments',
+      files: ['/results/test-level.png'],
+      steps: [
+        {
+          title: 'outer',
+          artifacts: ['/results/step-1.png'],
+          steps: [{ title: 'inner', artifacts: ['/results/step-2.png'] }],
+        },
+      ],
+    };
+    reader._tests = [test];
+    stubUploader(filePath => `https://bucket.s3.amazonaws.com${filePath}`);
+
+    await reader.uploadArtifacts();
+
+    const payload = JSON.parse(JSON.stringify(test));
+    // step artifacts render inline in the step tree and stay out of the test-level list
+    expect(payload.artifacts).to.deep.equal(['https://bucket.s3.amazonaws.com/results/test-level.png']);
+    expect(payload.steps[0].artifacts).to.deep.equal(['https://bucket.s3.amazonaws.com/results/step-1.png']);
+    expect(payload.steps[0].steps[0].artifacts).to.deep.equal(['https://bucket.s3.amazonaws.com/results/step-2.png']);
+    expect(uploadedPaths).to.have.lengthOf(3);
+  });
+
+  it('drops step artifacts that failed to upload instead of leaving local paths', async () => {
+    const test = {
+      rid: 'rid-4',
+      title: 'failed step upload',
+      steps: [{ title: 'outer', artifacts: ['/results/step-1.png'] }],
+    };
+    reader._tests = [test];
+    stubUploader(() => undefined);
+
+    await reader.uploadArtifacts();
+
+    expect(JSON.parse(JSON.stringify(test)).steps[0]).to.not.have.property('artifacts');
+  });
+
+  it('collects step attachments from allure results', () => {
+    const resultsDir = path.join(os.tmpdir(), `allure-artifacts-${process.pid}`);
+    fs.mkdirSync(resultsDir, { recursive: true });
+    fs.writeFileSync(path.join(resultsDir, 'shot.png'), 'x');
+    fs.writeFileSync(path.join(resultsDir, 'page.html'), 'x');
+
+    const test = reader.processAllureResult(
+      {
+        uuid: 'rid-5',
+        name: 'with step attachments',
+        status: 'failed',
+        attachments: [{ source: 'page.html' }],
+        steps: [
+          {
+            name: 'outer',
+            status: 'failed',
+            steps: [{ name: 'inner', status: 'failed', attachments: [{ source: 'shot.png' }] }],
+          },
+        ],
+      },
+      resultsDir,
+    );
+
+    expect(test.files).to.deep.equal([path.join(resultsDir, 'page.html')]);
+    expect(test.steps[0].steps[0].artifacts).to.deep.equal([path.join(resultsDir, 'shot.png')]);
+
+    fs.rmSync(resultsDir, { recursive: true, force: true });
+  });
+});