Fixed issue searching software versions (#34770)

<!-- Add the related story/sub-task/bug number, like Resolves #123, or
remove if NA -->
**Related issue:** Resolves #34713

Fix for unreleased but. Needs to be cherry picked into 4.76.0

# Checklist for submitter

## Testing

- [x] Added/updated automated tests
- [x] QA'd all new/changed functionality manually

For unreleased bug fixes in a release candidate, one of:

- [x] Confirmed that the fix is not expected to adversely impact load
test results

server/datastore/mysql/software.go

@@ -1407,13 +1407,15 @@ func selectSoftwareSQL(opts fleet.SoftwareListOptions) (string, []interface{}, e
 				goqu.I("software_cve").As("scv"),
 				goqu.On(goqu.I("s.id").Eq(goqu.I("scv.software_id"))),
 			)
-	} else if !opts.WithoutVulnerabilityDetails || opts.IncludeCVEScores {
-		// Only LEFT JOIN software_cve if we need CVE details in the list OR if we need CVE scores.
-		// When WithoutVulnerabilityDetails=true AND IncludeCVEScores=false, we can skip this join
-		// entirely in the subquery. The outer query will fetch CVEs only for the paginated results,
-		// which is much more efficient.
-		// However, if IncludeCVEScores=true, we MUST include the join because we need to select
-		// scv.resolved_in_version and other scv columns for ordering/filtering.
+	} else if !opts.WithoutVulnerabilityDetails || opts.IncludeCVEScores || opts.ListOptions.MatchQuery != "" {
+		// LEFT JOIN software_cve if:
+		// 1. We need CVE details in the list (!WithoutVulnerabilityDetails), OR
+		// 2. We need CVE scores for ordering/filtering (IncludeCVEScores), OR
+		// 3. We have a search query (MatchQuery) that might be searching for CVEs
+		//
+		// When WithoutVulnerabilityDetails=true AND IncludeCVEScores=false AND MatchQuery is empty,
+		// we can skip this join entirely in the subquery. The outer query will fetch CVEs only for
+		// the paginated results, which is much more efficient.
 		ds = ds.
 			LeftJoin(
 				goqu.I("software_cve").As("scv"),

server/datastore/mysql/software_test.go

@@ -786,6 +786,40 @@ func testSoftwareList(t *testing.T, ds *Datastore) {
 		listSoftwareCheckCount(t, ds, 0, 0, opts, true)
 	})
 
+	t.Run("filters by CVE with WithoutVulnerabilityDetails", func(t *testing.T) {
+		// Regression test for https://github.com/fleetdm/fleet/issues/34713
+		// When WithoutVulnerabilityDetails=true and IncludeCVEScores=false,
+		// the software_cve table is not joined in the subquery, but the WHERE clause
+		// still tries to reference scv.cve, causing "Unknown column 'scv.cve'" error.
+		opts := fleet.SoftwareListOptions{
+			ListOptions: fleet.ListOptions{
+				MatchQuery: "CVE-2022-0001",
+			},
+			WithoutVulnerabilityDetails: true,
+			IncludeCVEScores:            false,
+		}
+		software := listSoftwareCheckCount(t, ds, 1, 1, opts, true)
+		expectedFoo001 := fleet.Software{
+			Name:    "foo",
+			Version: "0.0.1",
+			Source:  "chrome_extensions",
+		}
+		require.Len(t, software, 1)
+		require.Equal(t, expectedFoo001.Name, software[0].Name)
+		require.Equal(t, expectedFoo001.Version, software[0].Version)
+		require.Equal(t, expectedFoo001.Source, software[0].Source)
+
+		// Test with partial CVE
+		opts.ListOptions.MatchQuery = "0002"
+		software = listSoftwareCheckCount(t, ds, 1, 1, opts, true)
+		require.Len(t, software, 1)
+		require.Equal(t, expectedFoo001.Name, software[0].Name)
+
+		// Test with unknown CVE
+		opts.ListOptions.MatchQuery = "CVE-2022-0000"
+		listSoftwareCheckCount(t, ds, 0, 0, opts, true)
+	})
+
 	t.Run("filters by query", func(t *testing.T) {
 		// query by name (case insensitive)
 		opts := fleet.SoftwareListOptions{