diff --git a/data/rest-data.go b/data/rest-data.go
index 5dc7e45..174710a 100644
--- a/data/rest-data.go
+++ b/data/rest-data.go
@@ -28,6 +28,7 @@ type RestData struct {
 	WorkflowPermissions WorkflowPermissions
 	Insights            si.SecurityInsights
 	Releases            []ReleaseData
+	SecurityAdvisories  []SecurityAdvisory
 	Rulesets            []Ruleset
 	contents            RepoContent
 	ghClient            *github.Client
@@ -66,6 +67,15 @@ type WorkflowPermissions struct {
 	CanApprovePullRequest bool   `json:"can_approve_pull_request_reviews"`
 }
 
+type SecurityAdvisory struct {
+	GhsaId      string `json:"ghsa_id"`
+	CveId       string `json:"cve_id"`
+	Summary     string `json:"summary"`
+	Severity    string `json:"severity"`
+	State       string `json:"state"`
+	PublishedAt string `json:"published_at"`
+}
+
 var APIBase = "https://api.github.com"
 
 func (r *RestData) Setup() error {
@@ -77,6 +87,7 @@ func (r *RestData) Setup() error {
 	r.loadSecurityInsights()
 	_ = r.getWorkflowPermissions()
 	_ = r.getReleases()
+	_ = r.getSecurityAdvisories()
 	return nil
 }
 
@@ -353,6 +364,15 @@ func (r *RestData) getWorkflowPermissions() error {
 	return err
 }
 
+func (r *RestData) getSecurityAdvisories() error {
+	endpoint := fmt.Sprintf("%s/repos/%s/%s/security-advisories?state=published", APIBase, r.owner, r.repo)
+	responseData, err := r.MakeApiCall(endpoint, true)
+	if err != nil {
+		return err
+	}
+	return json.Unmarshal(responseData, &r.SecurityAdvisories)
+}
+
 func (r *RestData) GetRulesets(branchName string) []Ruleset {
 	endpoint := fmt.Sprintf("%s/repos/%s/%s/rules/branches/%s", APIBase, r.owner, r.repo, branchName)
 	responseData, err := r.MakeApiCall(endpoint, true)
diff --git a/evaluation_plans/osps/vuln_management/evaluations.go b/evaluation_plans/osps/vuln_management/evaluations.go
index bc74716..48ca0fd 100644
--- a/evaluation_plans/osps/vuln_management/evaluations.go
+++ b/evaluation_plans/osps/vuln_management/evaluations.go
@@ -85,7 +85,8 @@ func OSPS_VM_04() (evaluation *layer4.ControlEvaluation) {
 			"Maturity Level 3",
 		},
 		[]layer4.AssessmentStep{
-			reusable_steps.NotImplemented,
+			reusable_steps.IsActive,
+			hasPublicVulnerabilityDisclosure,
 		},
 	)
 
diff --git a/evaluation_plans/osps/vuln_management/steps.go b/evaluation_plans/osps/vuln_management/steps.go
index a8a9741..67c5a31 100644
--- a/evaluation_plans/osps/vuln_management/steps.go
+++ b/evaluation_plans/osps/vuln_management/steps.go
@@ -61,6 +61,19 @@ func hasVulnerabilityDisclosurePolicy(payloadData any, _ map[string]*layer4.Chan
 	return layer4.Passed, "Vulnerability disclosure policy was specified in Security Insights data"
 }
 
+func hasPublicVulnerabilityDisclosure(payloadData any, _ map[string]*layer4.Change) (result layer4.Result, message string) {
+	data, message := reusable_steps.VerifyPayload(payloadData)
+	if message != "" {
+		return layer4.Unknown, message
+	}
+
+	if data.SecurityAdvisories != nil {
+		return layer4.Passed, "Security advisory publishing is enabled"
+	}
+
+	return layer4.Failed, "Security advisory publishing is not enabled"
+}
+
 func hasPrivateVulnerabilityReporting(payloadData any, _ map[string]*layer4.Change) (result layer4.Result, message string) {
 	data, message := reusable_steps.VerifyPayload(payloadData)
 	if message != "" {
diff --git a/evaluation_plans/osps/vuln_management/steps_test.go b/evaluation_plans/osps/vuln_management/steps_test.go
index 1e71642..389ec05 100644
--- a/evaluation_plans/osps/vuln_management/steps_test.go
+++ b/evaluation_plans/osps/vuln_management/steps_test.go
@@ -165,6 +165,84 @@ func TestHasVulnerabilityDisclosurePolicy(t *testing.T) {
 	}
 }
 
+func TestHasPublicVulnerabilityDisclosure(t *testing.T) {
+	tests := []struct {
+		name            string
+		payloadData     any
+		apiResponse     []byte
+		apiError        error
+		expectedResult  layer4.Result
+		expectedMessage string
+	}{
+		{
+			name:            "Security advisory publishing is enabled with advisories",
+			expectedResult:  layer4.Passed,
+			expectedMessage: "Security advisory publishing is enabled",
+			payloadData: data.Payload{
+				RestData: &data.RestData{
+					SecurityAdvisories: []data.SecurityAdvisory{
+						{
+							GhsaId:   "GHSA-1234-5678-9012",
+							CveId:    "CVE-2024-12345",
+							Summary:  "Test advisory",
+							Severity: "high",
+							State:    "published",
+						},
+					},
+				},
+				GraphqlRepoData: &data.GraphqlRepoData{},
+			},
+			apiResponse: []byte(`[{"ghsa_id":"GHSA-1234-5678-9012","cve_id":"CVE-2024-12345","summary":"Test advisory","severity":"high","state":"published","published_at":"2024-01-01T00:00:00Z"}]`),
+			apiError:    nil,
+		},
+		{
+			name:            "Security advisory publishing is enabled with no advisories",
+			expectedResult:  layer4.Passed,
+			expectedMessage: "Security advisory publishing is enabled",
+			payloadData: data.Payload{
+				RestData: &data.RestData{
+					SecurityAdvisories: []data.SecurityAdvisory{},
+				},
+				GraphqlRepoData: &data.GraphqlRepoData{},
+			},
+			apiResponse: []byte(`[]`),
+			apiError:    nil,
+		},
+		{
+			name:            "Security advisory publishing is not enabled",
+			expectedResult:  layer4.Failed,
+			expectedMessage: "Security advisory publishing is not enabled",
+			payloadData: data.Payload{
+				RestData: &data.RestData{
+					SecurityAdvisories: nil,
+				},
+				GraphqlRepoData: &data.GraphqlRepoData{},
+			},
+			apiResponse: []byte(`[]`),
+			apiError:    nil,
+		},
+		{
+			name:            "Invalid payload",
+			expectedResult:  layer4.Unknown,
+			expectedMessage: "Malformed assessment: expected payload type data.Payload, got string (invalid_payload)",
+			payloadData:     "invalid_payload",
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			if payload, ok := test.payloadData.(data.Payload); ok {
+				payload = data.NewPayloadWithHTTPMock(payload, test.apiResponse, 200, test.apiError)
+				test.payloadData = payload
+			}
+
+			result, message := hasPublicVulnerabilityDisclosure(test.payloadData, nil)
+			assert.Equal(t, test.expectedResult, result)
+			assert.Equal(t, test.expectedMessage, message)
+		})
+	}
+}
+
 func TestHasPrivateVulnerabilityReporting(t *testing.T) {
 	tests := []struct {
 		name            string