diff --git a/apiserver/src/main/java/org/dependencytrack/persistence/jdbi/VulnerabilityDao.java b/apiserver/src/main/java/org/dependencytrack/persistence/jdbi/VulnerabilityDao.java
index 717d7dd2b3..4072409030 100644
--- a/apiserver/src/main/java/org/dependencytrack/persistence/jdbi/VulnerabilityDao.java
+++ b/apiserver/src/main/java/org/dependencytrack/persistence/jdbi/VulnerabilityDao.java
@@ -159,6 +159,7 @@ default Vulnerability getByVulnIdAndSource(final String vulnId, final String sou
 
     @SqlQuery(/* language=InjectedFreeMarker */ """
             <#-- @ftlvariable name="activeFilter" type="Boolean" -->
+            <#-- @ftlvariable name="searchText" type="Boolean" -->
             <#-- @ftlvariable name="apiOrderByClause" type="String" -->
             <#-- @ftlvariable name="apiOffsetLimitClause" type="String" -->
             <#-- @ftlvariable name="apiProjectAclCondition" type="String" -->
@@ -200,6 +201,11 @@ WHERE EXISTS(
                  SELECT 1
                    FROM "CTE_AFFECTED_COMPONENTS"
                   WHERE "PROJECT_ID" = "PROJECT"."ID")
+            <#if searchText>
+              AND (
+                LOWER("PROJECT"."NAME") LIKE ('%' || LOWER(:searchText) || '%')
+              )
+            </#if>
             <#if apiOrderByClause??>
               ${apiOrderByClause}
             <#else>
@@ -217,7 +223,8 @@ WHERE EXISTS(
     List<AffectedProjectListRow> getAffectedProjects(
             @Bind String source,
             @Bind String vulnId,
-            @Bind Boolean activeFilter);
+            @Bind Boolean activeFilter,
+            @Bind @Nullable String searchText);
 
     record AffectedProjectListRow(
             UUID uuid,
diff --git a/apiserver/src/main/java/org/dependencytrack/resources/v1/VulnerabilityResource.java b/apiserver/src/main/java/org/dependencytrack/resources/v1/VulnerabilityResource.java
index bab915dac0..6ac260824b 100644
--- a/apiserver/src/main/java/org/dependencytrack/resources/v1/VulnerabilityResource.java
+++ b/apiserver/src/main/java/org/dependencytrack/resources/v1/VulnerabilityResource.java
@@ -19,10 +19,12 @@
 package org.dependencytrack.resources.v1;
 
 import alpine.persistence.PaginatedResult;
+import alpine.resources.AlpineRequest;
 import alpine.server.auth.PermissionRequired;
 import alpine.server.filters.ResourceAccessRequired;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.Parameter;
+import io.swagger.v3.oas.annotations.enums.ParameterIn;
 import io.swagger.v3.oas.annotations.headers.Header;
 import io.swagger.v3.oas.annotations.media.ArraySchema;
 import io.swagger.v3.oas.annotations.media.Content;
@@ -260,7 +262,22 @@ public Response getVulnerabilityByVulnId(
     @Produces(MediaType.APPLICATION_JSON)
     @Operation(
             summary = "Returns a list of all projects affected by a specific vulnerability",
-            description = "<p>Requires permission <strong>VIEW_PORTFOLIO</strong></p>"
+            description = """
+                    <p>Requires permission <strong>VIEW_PORTFOLIO</strong></p>\
+                    <p>Optional query parameters <code>searchText</code> or <code>filter</code> narrow the list; \
+                    both are provided by the Alpine request filter and match the same value.</p>""",
+            parameters = {
+                    @Parameter(
+                            name = "searchText",
+                            in = ParameterIn.QUERY,
+                            description = "Optional case-insensitive substring match on project name."
+                    ),
+                    @Parameter(
+                            name = "filter",
+                            in = ParameterIn.QUERY,
+                            description = "Optional filter (Alpine); same effect as <code>searchText</code> for this endpoint."
+                    )
+            }
     )
     @PaginatedApi
     @ApiResponses(value = {
@@ -278,8 +295,16 @@ public Response getAffectedProject(@PathParam("source") String source,
                                        @PathParam("vuln") String vuln,
                                        @Parameter(description = "Optionally excludes inactive projects from being returned", required = false)
                                        @QueryParam("excludeInactive") boolean excludeInactive) {
-        final List<AffectedProjectListRow> affectedProjectRows = withJdbiHandle(getAlpineRequest(), handle ->
-                handle.attach(VulnerabilityDao.class).getAffectedProjects(source, vuln, excludeInactive ? true : null));
+        final AlpineRequest alpineRequest = getAlpineRequest();
+        final String affectedProjectsFilter;
+        if (alpineRequest == null) {
+            affectedProjectsFilter = null;
+        } else {
+            final String filter = alpineRequest.getFilter();
+            affectedProjectsFilter = (filter == null || filter.isBlank()) ? null : filter;
+        }
+        final List<AffectedProjectListRow> affectedProjectRows = withJdbiHandle(alpineRequest, handle ->
+                handle.attach(VulnerabilityDao.class).getAffectedProjects(source, vuln, excludeInactive ? true : null, affectedProjectsFilter));
 
         final long totalCount = affectedProjectRows.isEmpty() ? 0 : affectedProjectRows.getFirst().totalCount();
         final List<AffectedProject> affectedProjects = affectedProjectRows.stream()
diff --git a/apiserver/src/test/java/org/dependencytrack/resources/v1/VulnerabilityResourceTest.java b/apiserver/src/test/java/org/dependencytrack/resources/v1/VulnerabilityResourceTest.java
index 6dced018eb..07a121fc2f 100644
--- a/apiserver/src/test/java/org/dependencytrack/resources/v1/VulnerabilityResourceTest.java
+++ b/apiserver/src/test/java/org/dependencytrack/resources/v1/VulnerabilityResourceTest.java
@@ -627,6 +627,48 @@ public void getAffectedProjectTest() {
                         """);
     }
 
+    @Test
+    public void getAffectedProjectWithSearchTextTest() {
+        final var sampleData = new SampleData();
+        final Response response = jersey.target(V1_VULNERABILITY + "/source/" + sampleData.v1.getSource() + "/vuln/" + sampleData.v1.getVulnId() + "/projects")
+                .queryParam("searchText", "Project 1")
+                .request()
+                .header(X_API_KEY, apiKey)
+                .get(Response.class);
+        Assertions.assertEquals(200, response.getStatus(), 0);
+        Assertions.assertEquals(String.valueOf(1), response.getHeaderString(TOTAL_COUNT_HEADER));
+        assertThatJson(getPlainTextBody(response))
+                .withMatcher("projectUuid", equalTo(sampleData.p1.getUuid().toString()))
+                .withMatcher("componentUuid", equalTo(sampleData.c1.getUuid().toString()))
+                .isEqualTo(/* language=JSON */ """
+                        [
+                          {
+                            "active": true,
+                            "affectedComponentUuids": [
+                              "${json-unit.matches:componentUuid}"
+                            ],
+                            "dependencyGraphAvailable": false,
+                            "name": "Project 1",
+                            "uuid": "${json-unit.matches:projectUuid}",
+                            "version": null
+                          }
+                        ]
+                        """);
+    }
+
+    @Test
+    public void getAffectedProjectWithSearchTextNoMatchTest() {
+        final var sampleData = new SampleData();
+        final Response response = jersey.target(V1_VULNERABILITY + "/source/" + sampleData.v1.getSource() + "/vuln/" + sampleData.v1.getVulnId() + "/projects")
+                .queryParam("searchText", "does-not-exist")
+                .request()
+                .header(X_API_KEY, apiKey)
+                .get(Response.class);
+        Assertions.assertEquals(200, response.getStatus(), 0);
+        Assertions.assertEquals("0", response.getHeaderString(TOTAL_COUNT_HEADER));
+        Assertions.assertEquals("[]", getPlainTextBody(response));
+    }
+
     @Test
     public void getAffectedProjectWithDeletedFindingTest() {
         var project = qm.createProject("Project 1", null, null, null, null, null, null, false);