diff --git a/changelog/15163.txt b/changelog/15163.txt
new file mode 100644
index 000000000..337a27937
--- /dev/null
+++ b/changelog/15163.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+sdk: Fix OpenApi spec generator to remove duplicate sha_256 parameter
+```
\ No newline at end of file
diff --git a/sdk/framework/openapi.go b/sdk/framework/openapi.go
index 717a6505d..2c3377f50 100644
--- a/sdk/framework/openapi.go
+++ b/sdk/framework/openapi.go
@@ -336,6 +336,12 @@ func documentPath(p *Path, specialPaths *logical.Paths, requestResponsePrefix st
 				}
 
 				for name, field := range bodyFields {
+					// Removing this field from the spec as it is deprecated in favor of using "sha256"
+					// The duplicate sha_256 and sha256 in these paths cause issues with codegen
+					if name == "sha_256" && strings.Contains(path, "plugins/catalog/") {
+						continue
+					}
+
 					openapiField := convertType(field.Type)
 					if field.Required {
 						s.Required = append(s.Required, name)