diff --git a/SeaHaven.DataServices/Helpers/PendingUpliftCancellation.cs b/SeaHaven.DataServices/Helpers/PendingUpliftCancellation.cs
index 1a4e3c4..2264a2a 100644
--- a/SeaHaven.DataServices/Helpers/PendingUpliftCancellation.cs
+++ b/SeaHaven.DataServices/Helpers/PendingUpliftCancellation.cs
@@ -7,7 +7,7 @@ namespace SeaHaven.DataServices.Helpers
     /// <summary>
     /// The single rule and write for "a work order that becomes Canceled cancels its pending
     /// uplifts in the same action". Every path that can cancel a work order (board update,
-    /// the cancel endpoint, CRM webhook and reconciliation) asks <see cref="Applies"/> and
+    /// CRM webhook and reconciliation, legacy ingest) asks <see cref="Applies"/> and
     /// stages the cancellation into its own unit of work, so the uplift change and its own
     /// audit row commit, or roll back, with the work order's status change.
     /// </summary>
@@ -22,6 +22,17 @@ namespace SeaHaven.DataServices.Helpers
         public static bool Applies(LifecycleStatus? before, LifecycleStatus? after)
             => before != LifecycleStatus.Canceled && after == LifecycleStatus.Canceled;
 
+        /// <summary>
+        /// True when a status-text change moves a work order into Cancelled. The legacy ingest
+        /// sync writes only the status text, never the lifecycle status.
+        /// </summary>
+        public static bool AppliesToStatusText(string? before, string? after)
+            => !IsCancelledText(before) && IsCancelledText(after);
+
+        private static bool IsCancelledText(string? status)
+            => string.Equals(status, "Cancelled", StringComparison.OrdinalIgnoreCase)
+                || string.Equals(status, "Canceled", StringComparison.OrdinalIgnoreCase);
+
         /// <summary>
         /// Uplift requests that belong to a work order: on a live dispatch that the work
         /// order owns or is linked to.
diff --git a/SeaHaven.DataServices/Implementation/WorkOrderIngestDataService.cs b/SeaHaven.DataServices/Implementation/WorkOrderIngestDataService.cs
index 5a2a835..6c13dce 100644
--- a/SeaHaven.DataServices/Implementation/WorkOrderIngestDataService.cs
+++ b/SeaHaven.DataServices/Implementation/WorkOrderIngestDataService.cs
@@ -1,5 +1,7 @@
 using Data.SeaHavenIndustries;
+using Data.SeaHavenIndustries.Enums;
 using Microsoft.EntityFrameworkCore;
+using SeaHaven.DataServices.Helpers;
 using SeaHaven.DataServices.Interfaces;
 
 namespace SeaHaven.DataServices.Implementation
@@ -31,6 +33,15 @@ namespace SeaHaven.DataServices.Implementation
             await _context.SaveChangesAsync(cancellationToken);
         }
 
+        public Task<int> StageCancelPendingUpliftsAsync(int workOrderId, CancellationToken cancellationToken)
+            => PendingUpliftCancellation.StageAsync(
+                _context,
+                workOrderId,
+                actorId: null,
+                actorType: AuditActorType.Sync.ToString(),
+                DateTime.UtcNow,
+                cancellationToken);
+
         public async Task ExecuteTransactionalAsync(Func<CancellationToken, Task> work, CancellationToken cancellationToken)
         {
             await using var transaction = _context.Database.IsRelational()
diff --git a/SeaHaven.DataServices/Interfaces/IWorkOrderIngestDataService.cs b/SeaHaven.DataServices/Interfaces/IWorkOrderIngestDataService.cs
index b97d7c1..5017633 100644
--- a/SeaHaven.DataServices/Interfaces/IWorkOrderIngestDataService.cs
+++ b/SeaHaven.DataServices/Interfaces/IWorkOrderIngestDataService.cs
@@ -9,6 +9,9 @@ namespace SeaHaven.DataServices.Interfaces
         void TrackWorkOrder(WorkOrder workOrder);
         Task<Locations?> FindLocationAsync(string name, CancellationToken cancellationToken);
         Task AddAndSaveLocationAsync(Locations location, CancellationToken cancellationToken);
+        // Stages (does not save) the sync-attributed cancellation of the work order's pending
+        // uplifts, each with its own audit row. See PendingUpliftCancellation.
+        Task<int> StageCancelPendingUpliftsAsync(int workOrderId, CancellationToken cancellationToken);
         Task ExecuteTransactionalAsync(Func<CancellationToken, Task> work, CancellationToken cancellationToken);
         Task SaveAsync(CancellationToken cancellationToken);
     }
diff --git a/SeaHaven.Services/Implementation/WorkOrderIngestService.cs b/SeaHaven.Services/Implementation/WorkOrderIngestService.cs
index bdadab1..a232128 100644
--- a/SeaHaven.Services/Implementation/WorkOrderIngestService.cs
+++ b/SeaHaven.Services/Implementation/WorkOrderIngestService.cs
@@ -1,4 +1,5 @@
 using Data.SeaHavenIndustries;
+using SeaHaven.DataServices.Helpers;
 using SeaHaven.DataServices.Interfaces;
 using SeaHaven.Services.DTOs;
 using SeaHaven.Services.Helpers;
@@ -134,8 +135,15 @@ namespace SeaHaven.Services.Implementation
 
             var mappedStatus = WorkOrderIngestFieldMapper.MapStatus(item.WoStatus);
             if (mappedStatus != null)
+            {
+                var statusBefore = existing.Status;
                 await _mergePolicy.TryApplyAsync(syncContext, "Status", mappedStatus);
 
+                // A sync cancellation cancels the work order's pending uplifts in the same save.
+                if (PendingUpliftCancellation.AppliesToStatusText(statusBefore, existing.Status))
+                    await _ingestData.StageCancelPendingUpliftsAsync(existing.Id, cancellationToken);
+            }
+
             var priority = WorkOrderIngestFieldMapper.MapSeverityToPriority(item.Severity);
             if (priority != null)
                 await _mergePolicy.TryApplyAsync(syncContext, "Priority", priority);
diff --git a/SeaHavenIndustries.Tests/WorkOrderCrmCancelUpliftTests.cs b/SeaHavenIndustries.Tests/WorkOrderCrmCancelUpliftTests.cs
index f8ae2a1..8b7c42a 100644
--- a/SeaHavenIndustries.Tests/WorkOrderCrmCancelUpliftTests.cs
+++ b/SeaHavenIndustries.Tests/WorkOrderCrmCancelUpliftTests.cs
@@ -6,6 +6,7 @@ using Microsoft.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore.Diagnostics;
 using SeaHaven.DataServices.Implementation;
 using SeaHaven.DataServices.Interfaces;
+using SeaHaven.Services.DTOs;
 using SeaHaven.Services.Implementation;
 using SeaHaven.Services.Interfaces;
 using Xunit;
@@ -14,8 +15,8 @@ namespace SeaHavenIndustries.Tests;
 
 /// <summary>
 /// A work order cancelled by the CRM (webhook or reconciliation, both persisted by the
-/// webhook data service) cancels its pending uplift in the same save, with an audit entry
-/// of its own, exactly as a cancel from the board does.
+/// webhook data service, or the legacy ingest) cancels its pending uplift in the same save,
+/// with an audit entry of its own, exactly as a cancel from the board does.
 /// </summary>
 public sealed class WorkOrderCrmCancelUpliftTests
 {
@@ -140,6 +141,61 @@ public sealed class WorkOrderCrmCancelUpliftTests
         Assert.Equal(AuditActorType.Sync.ToString(), upliftAudit.ActorType);
     }
 
+    [Fact]
+    public async Task LegacyIngestCancel_CancelsPendingUpliftWithItsOwnSyncAuditAndLeavesDecidedUpliftsAlone()
+    {
+        var options = await SeedInMemoryAsync(
+            WorkOrderBoardPatchCancelUpliftTests.Uplift(100, "Pending", 700m),
+            WorkOrderBoardPatchCancelUpliftTests.Uplift(101, "Approved", 600m));
+
+        await using (var context = new ApplicationDbContext(options))
+        {
+            await NewIngestService(context).UpsertBatchAsync(new[]
+            {
+                new WorkOrderIngestPayloadDto { ExternalWorkOrderId = "123", WoStatus = "cancelled" }
+            });
+        }
+
+        await using var verify = new ApplicationDbContext(options);
+        Assert.Equal("Cancelled", verify.workOrders.Single().Status);
+        Assert.Equal(UpliftStatus.Withdrawn, verify.DispatchUpliftRequests.Single(u => u.Id == 100).Status);
+        Assert.Equal(UpliftStatus.Approved, verify.DispatchUpliftRequests.Single(u => u.Id == 101).Status);
+        var upliftAudit = Assert.Single(verify.WorkOrderAuditLogs, log => log.Action == "uplift_cancel");
+        Assert.Equal(AuditActorType.Sync.ToString(), upliftAudit.ActorType);
+        Assert.Equal("Dispatch DIS-10 Uplift", upliftAudit.FieldName);
+    }
+
+    [Fact]
+    public async Task LegacyIngestUpdateThatDoesNotCancel_LeavesPendingUpliftPending()
+    {
+        var options = await SeedInMemoryAsync(
+            WorkOrderBoardPatchCancelUpliftTests.Uplift(100, "Pending", 700m));
+
+        await using (var context = new ApplicationDbContext(options))
+        {
+            await NewIngestService(context).UpsertBatchAsync(new[]
+            {
+                new WorkOrderIngestPayloadDto { ExternalWorkOrderId = "123", WoStatus = "in_progress" }
+            });
+        }
+
+        await using var verify = new ApplicationDbContext(options);
+        Assert.Equal(UpliftStatus.Pending, verify.DispatchUpliftRequests.Single().Status);
+        Assert.DoesNotContain(verify.WorkOrderAuditLogs, log => log.Action == "uplift_cancel");
+    }
+
+    private static WorkOrderIngestService NewIngestService(ApplicationDbContext context)
+    {
+        var fieldLocks = new WorkOrderFieldLockService(new WorkOrderFieldLockDataService(context));
+        var audit = new WorkOrderAuditService(new WorkOrderAuditDataService(context), fieldLocks);
+        return new WorkOrderIngestService(
+            new WorkOrderIngestDataService(context),
+            new SyncFieldMergePolicy(fieldLocks),
+            fieldLocks,
+            audit,
+            WorkOrderAccountTestHelpers.Resolver(context));
+    }
+
     [Fact]
     public async Task CrmCancel_FailureBeforeCommit_RollsBackWorkOrderAndUpliftTogether()
     {