diff --git a/apollo/server/routes/api_osv.py b/apollo/server/routes/api_osv.py
index 9510f2d..4f70f15 100644
--- a/apollo/server/routes/api_osv.py
+++ b/apollo/server/routes/api_osv.py
@@ -44,14 +44,14 @@ class OSVEvent(BaseModel):
 
 
 class OSVRangeDatabaseSpecific(BaseModel):
-    pass
+    yum_repository: str
 
 
 class OSVRange(BaseModel):
     type: str
-    repo: str
+    repo: Optional[str]
     events: list[OSVEvent]
-    database_specific: OSVRangeDatabaseSpecific
+    database_specific: Optional[OSVRangeDatabaseSpecific]
 
 
 class OSVEcosystemSpecific(BaseModel):
@@ -65,9 +65,9 @@ class OSVAffectedDatabaseSpecific(BaseModel):
 class OSVAffected(BaseModel):
     package: OSVPackage
     ranges: list[OSVRange]
-    versions: list[str]
-    ecosystem_specific: OSVEcosystemSpecific
-    database_specific: OSVAffectedDatabaseSpecific
+    versions: Optional[list[str]]
+    ecosystem_specific: Optional[OSVEcosystemSpecific]
+    database_specific: Optional[OSVAffectedDatabaseSpecific]
 
 
 class OSVReference(BaseModel):
@@ -91,10 +91,10 @@ class OSVAdvisory(BaseModel):
     published: str
     withdrawn: Optional[str]
     aliases: list[str]
-    related: list[str]
+    related: Optional[list[str]]
     summary: str
     details: str
-    severity: list[OSVSeverity]
+    severity: Optional[list[OSVSeverity]]
     affected: list[OSVAffected]
     references: list[OSVReference]
     credits: list[OSVCredit]
@@ -128,7 +128,7 @@ def to_osv_advisory(ui_url: str, advisory: Advisory) -> OSVAdvisory:
         pkg_name_map[product_name][arch][name].append((pkg, nevra))
 
     for product_name, arches in pkg_name_map.items():
-        for arch, affected_arches in arches.items():
+        for _, affected_arches in arches.items():
             if not affected_arches:
                 continue
 
@@ -136,6 +136,9 @@ def to_osv_advisory(ui_url: str, advisory: Advisory) -> OSVAdvisory:
                 for pkg in affected_packages:
                     x = pkg[0]
                     nevra = pkg[1]
+                    # Only process "src" packages
+                    if nevra.group(5) != "src":
+                        continue
 
                     ver_rel = f"{nevra.group(3)}-{nevra.group(4)}"
                     slugified = slugify(x.supported_product.variant)
@@ -148,7 +151,7 @@ def to_osv_advisory(ui_url: str, advisory: Advisory) -> OSVAdvisory:
                         )
                     epoch = nevra.group(2)
 
-                    purl = f"pkg:rpm/{slugified}/{pkg_name}@{ver_rel}?arch={arch}&distro={slugified_distro}&epoch={epoch}"
+                    purl = f"pkg:rpm/{slugified}/{pkg_name}@{ver_rel}?distro={slugified_distro}&epoch={epoch}"
 
                     affected = OSVAffected(
                         package=OSVPackage(
@@ -159,20 +162,21 @@ def to_osv_advisory(ui_url: str, advisory: Advisory) -> OSVAdvisory:
                         ranges=[
                             OSVRange(
                                 type="ECOSYSTEM",
-                                repo=x.repo_name,
                                 events=[
                                     OSVEvent(introduced="0"),
                                     OSVEvent(fixed=ver_rel),
                                 ],
-                                database_specific=OSVRangeDatabaseSpecific(),
+                                database_specific=OSVRangeDatabaseSpecific(
+                                    yum_repository=x.repo_name,
+                                ),
                             )
                         ],
-                        versions=[],
-                        ecosystem_specific=OSVEcosystemSpecific(),
-                        database_specific=OSVAffectedDatabaseSpecific(),
+                        versions=None,
+                        ecosystem_specific=None,
+                        database_specific=None,
                     )
 
-                affected_pkgs.append(affected)
+                    affected_pkgs.append(affected)
 
     references = [
         OSVReference(type="ADVISORY", url=f"{ui_url}/{advisory.name}"),
@@ -184,19 +188,32 @@ def to_osv_advisory(ui_url: str, advisory: Advisory) -> OSVAdvisory:
     if advisory.red_hat_advisory:
         osv_credits.append(OSVCredit(name="Red Hat"))
 
+    # Calculate severity by finding the highest CVSS score
+    highest_cvss_base_score = 0.0
+    final_score_vector = None
+    for x in advisory.cves:
+        # Convert cvss3_scoring_vector to a float
+        base_score = x.cvss3_base_score
+        if base_score and base_score != "UNKNOWN":
+            base_score = float(base_score)
+            if base_score > highest_cvss_base_score:
+                highest_cvss_base_score = base_score
+                final_score_vector = x.cvss3_scoring_vector
+
+    severity = None
+    if final_score_vector:
+        severity = [OSVSeverity(type="CVSS_V3", score=final_score_vector)]
+
     return OSVAdvisory(
         id=advisory.name,
         modified=to_rfc3339_date(advisory.updated_at),
         published=to_rfc3339_date(advisory.published_at),
         withdrawn=None,
         aliases=[x.cve for x in advisory.cves],
-        related=[],
+        related=None,
         summary=advisory.synopsis,
         details=advisory.description,
-        severity=[
-            OSVSeverity(type="CVSS_V3", score=x.cvss3_scoring_vector)
-            for x in advisory.cves
-        ],
+        severity=severity,
         affected=affected_pkgs,
         references=references,
         credits=osv_credits,
@@ -204,7 +221,7 @@ def to_osv_advisory(ui_url: str, advisory: Advisory) -> OSVAdvisory:
     )
 
 
-@router.get("/", response_model=Pagination[OSVAdvisory])
+@router.get("/", response_model=Pagination[OSVAdvisory], response_model_exclude_none=True)
 async def get_advisories_osv(
     params: Params = Depends(),
     product: Optional[str] = None,
@@ -214,7 +231,6 @@ async def get_advisories_osv(
     synopsis: Optional[str] = None,
     keyword: Optional[str] = None,
     severity: Optional[str] = None,
-    kind: Optional[str] = None,
 ):
     fetch_adv = await fetch_advisories(
         params.get_size(),
@@ -226,7 +242,7 @@ async def get_advisories_osv(
         cve,
         synopsis,
         severity,
-        kind,
+        kind="Security",
         fetch_related=True,
     )
     count = fetch_adv[0]
@@ -237,9 +253,9 @@ async def get_advisories_osv(
     return create_page(osv_advisories, count, params)
 
 
-@router.get("/{advisory_id}", response_model=OSVAdvisory)
+@router.get("/{advisory_id}", response_model=OSVAdvisory, response_model_exclude_none=True)
 async def get_advisory_osv(advisory_id: str):
-    advisory = await Advisory.filter(name=advisory_id).prefetch_related(
+    advisory = await Advisory.filter(name=advisory_id, type="Security").prefetch_related(
         "packages",
         "cves",
         "fixes",