diff --git a/changelog/15681.txt b/changelog/15681.txt
new file mode 100644
index 000000000..205441150
--- /dev/null
+++ b/changelog/15681.txt
@@ -0,0 +1,3 @@
+```release-note:bug
+ui: Fixed bug where red spellcheck underline appears in sensitive/secret kv values when it should not appear
+```
\ No newline at end of file
diff --git a/ui/lib/core/addon/templates/components/masked-input.hbs b/ui/lib/core/addon/templates/components/masked-input.hbs
index eb21d6ad5..9f27c5f6c 100644
--- a/ui/lib/core/addon/templates/components/masked-input.hbs
+++ b/ui/lib/core/addon/templates/components/masked-input.hbs
@@ -27,6 +27,7 @@
       onchange={{action "updateValue"}}
       onkeyup={{action (action "handleKeyUp" this.name) value="target.value"}}
       value={{this.value}}
+      spellcheck="false"
       data-test-textarea
     ></textarea>
   {{/if}}