From 59e4a4c1c80b7c5dd4de77c55af7d9c0840aebf7 Mon Sep 17 00:00:00 2001
From: Sai Asish Y <say.apm35@gmail.com>
Date: Tue, 12 May 2026 13:24:45 -0700
Subject: [PATCH] fix(schema): avoid nil pointer panic when vulnerability
 analysis omits response (#148)

Signed-off-by: Sai Asish Y <say.apm35@gmail.com>
---
 schema/bom_hash.go      |  4 +++-
 schema/bom_hash_test.go | 21 +++++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/schema/bom_hash.go b/schema/bom_hash.go
index 84d6271d..c0a6ae7f 100644
--- a/schema/bom_hash.go
+++ b/schema/bom_hash.go
@@ -389,7 +389,9 @@ func (bom *BOM) HashmapVulnerability(cdxVulnerability CDXVulnerability, whereFil
 			vulnInfo.AnalysisJustification = VULN_ANALYSIS_STATE_EMPTY
 		}
 
-		vulnInfo.AnalysisResponse = *cdxVulnerability.Analysis.Response
+		if cdxVulnerability.Analysis.Response != nil {
+			vulnInfo.AnalysisResponse = *cdxVulnerability.Analysis.Response
+		}
 		if len(vulnInfo.AnalysisResponse) == 0 {
 			vulnInfo.AnalysisResponse = []string{VULN_ANALYSIS_STATE_EMPTY}
 		}
diff --git a/schema/bom_hash_test.go b/schema/bom_hash_test.go
index 86fd6c59..020f22d4 100644
--- a/schema/bom_hash_test.go
+++ b/schema/bom_hash_test.go
@@ -423,6 +423,27 @@ func TestHashZeroCDXVulnerabilityStruct(t *testing.T) {
 	}
 }
 
+// Regression test for https://github.com/CycloneDX/sbom-utility/issues/148 :
+// a vulnerability with an `analysis` object that omits the optional `response`
+// array must not cause a nil pointer dereference panic.
+func TestHashCDXVulnerabilityAnalysisWithoutResponse(t *testing.T) {
+	cdxVulnerability := CDXVulnerability{
+		Id: "CVE-2026-0000",
+		Analysis: &CDXAnalysis{
+			State: "exploitable",
+		},
+	}
+	document := NewBOM("")
+	hashed, err := document.HashmapVulnerability(cdxVulnerability, nil)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	if !hashed {
+		t.Error(getLogger().Errorf("expected non-empty vulnerability to be hashed."))
+	}
+}
+
 // ----------------------
 // License Hashing
 // ----------------------