diff --git a/.github/workflows/publish-e2e-evidence.yml b/.github/workflows/publish-e2e-evidence.yml
index 3d7fe32d78..c4f22c21d4 100644
--- a/.github/workflows/publish-e2e-evidence.yml
+++ b/.github/workflows/publish-e2e-evidence.yml
@@ -44,12 +44,21 @@ jobs:
           GH_SESSION_TOKEN: ${{ secrets.GH_IMAGE_SESSION_TOKEN }}
           SOURCE_REPO: ${{ github.repository }}
           SOURCE_RUN_ID: ${{ github.event.workflow_run.id }}
+          HEAD_OWNER: ${{ github.event.workflow_run.head_repository.owner.login }}
+          HEAD_BRANCH: ${{ github.event.workflow_run.head_branch }}
+          HEAD_SHA: ${{ github.event.workflow_run.head_sha }}
         run: |
           set -euo pipefail
 
-          PR_NUMBER=$(gh api "repos/$SOURCE_REPO/actions/runs/$SOURCE_RUN_ID" --jq '.pull_requests[0].number // empty')
+          # The run's own ``pull_requests`` payload is always empty for a
+          # fork PR, so resolve the PR from its head reference instead.
+          # The head-SHA match skips runs that a newer push superseded.
+          PR_NUMBER=$(gh api -X GET "repos/$SOURCE_REPO/pulls" \
+            -f head="$HEAD_OWNER:$HEAD_BRANCH" -f state=open \
+            --jq '.[] | select(.head.sha == $ENV.HEAD_SHA) | .number' \
+            | head -n1)
           if [ -z "$PR_NUMBER" ]; then
-            echo "No pull request is associated with CI run $SOURCE_RUN_ID."
+            echo "No open pull request has head $HEAD_OWNER:$HEAD_BRANCH at $HEAD_SHA (CI run $SOURCE_RUN_ID)."
             exit 0
           fi
 
diff --git a/scripts/ci/publish_e2e_evidence.py b/scripts/ci/publish_e2e_evidence.py
index 7d5de45627..8105259063 100644
--- a/scripts/ci/publish_e2e_evidence.py
+++ b/scripts/ci/publish_e2e_evidence.py
@@ -203,7 +203,7 @@ def _find_review_comment(comments: object) -> dict[str, Any] | None:
     return None
 
 
-def _wait_for_review_comment(token: str, source_repo: str, pr_number: str) -> dict[str, Any]:
+def _wait_for_review_comment(token: str, source_repo: str, pr_number: str) -> dict[str, Any] | None:
     """Wait briefly for GitHub's comment API to expose the completed marker."""
     request = urllib.request.Request(
         f"{API_BASE}/repos/{source_repo}/issues/{pr_number}/comments?per_page=100",
@@ -221,7 +221,7 @@ def _wait_for_review_comment(token: str, source_repo: str, pr_number: str) -> di
             return comment
         if attempt + 1 < COMMENT_LOOKUP_ATTEMPTS:
             time.sleep(COMMENT_LOOKUP_DELAY_SECONDS)
-    raise ValueError("CI review comment with E2E evidence marker is missing")
+    return None
 
 
 def upload_evidence(
@@ -280,6 +280,15 @@ def publish(
         print("No inline E2E evidence to publish.")
         return False
     comment = _wait_for_review_comment(token, source_repo, pr_number)
+    if comment is None:
+        # A fork PR gets no CI review comment (the live poller needs a
+        # write token there), so there is no marker to patch. The
+        # evidence stays available in the workflow artifact.
+        print(
+            f"PR #{pr_number} has no CI review comment with an E2E evidence "
+            "marker; the evidence stays in the workflow artifact."
+        )
+        return False
     try:
         attachment_urls = upload_evidence(
             files, evidence_dir, source_repo, session_token
diff --git a/tests/ci/test_publish_e2e_evidence.py b/tests/ci/test_publish_e2e_evidence.py
index e24a2d971e..365f344225 100644
--- a/tests/ci/test_publish_e2e_evidence.py
+++ b/tests/ci/test_publish_e2e_evidence.py
@@ -179,6 +179,32 @@ def test_publish_marks_evidence_upload_failure_in_pr_comment(tmp_path, monkeypat
     ]
 
 
+def test_publish_skips_when_no_review_comment_exists(tmp_path, monkeypatch, capsys):
+    monkeypatch.setattr(
+        _mod,
+        "load_evidence",
+        lambda evidence_dir: (
+            [_mod.EvidenceFile("shot.png", "new screenshot: shot.png")],
+            {},
+        ),
+    )
+    monkeypatch.setattr(_mod, "_wait_for_review_comment", lambda *args: None)
+    monkeypatch.setattr(
+        _mod,
+        "upload_evidence",
+        lambda *args: (_ for _ in ()).throw(AssertionError("must not upload")),
+    )
+
+    assert _mod.publish(
+        "github-token",
+        "NousResearch/hermes-agent",
+        tmp_path,
+        "83202",
+        "image-token",
+    ) is False
+    assert "no CI review comment" in capsys.readouterr().out
+
+
 def test_find_review_comment_requires_the_evidence_marker():
     pending = "<!-- hermes-ci-review-bot -->\n<!-- hermes-e2e-evidence:start -->\npending\n<!-- hermes-e2e-evidence:end -->"