diff --git a/lisp/comint.el b/lisp/comint.el
index bb718f25ee0..56a28f6ae99 100644
--- a/lisp/comint.el
+++ b/lisp/comint.el
@@ -404,6 +404,8 @@ This variable is buffer-local."
    (regexp-opt
     '("Enter" "enter" "Enter same" "enter same" "Enter the" "enter the"
       "Current"
+      ;; Ansible.  (Bug#78442)
+      "Vault" "SSH" "BECOME"
       "Enter Auth" "enter auth" "Old" "old" "New" "new" "login"
       "Kerberos" "CVS" "UNIX" " SMB" "LDAP" "PEM" "SUDO"
       "[sudo]" "doas" "Repeat" "Bad" "Retype" "Verify")
@@ -418,6 +420,8 @@ This variable is buffer-local."
    ;; The ccrypt encryption dialog doesn't end with a colon, so
    ;; treat it specially.
    "\\|^Enter encryption key: (repeat) *\\'"
+   ;; Ansible.  The vault-id syntax is a guess.  (Bug#78442)
+   "\\|^Vault password ([^@-][^@]*): \\'"
    ;; Default openssh format: "user@host's password:".
    "\\|^[^@ \t\n]+@[^@ \t\n]+'s password: *\\'"
    ;; openssh-8.6p1 format: "(user@host) Password:".
diff --git a/test/lisp/comint-tests.el b/test/lisp/comint-tests.el
index 20ef01acd95..6b6cc7256ec 100644
--- a/test/lisp/comint-tests.el
+++ b/test/lisp/comint-tests.el
@@ -50,6 +50,10 @@
     "Enter encryption key: (repeat) " ; ccrypt
     "Enter Auth Password:" ; OpenVPN (Bug#35724)
     "Verify password: "    ; zip -e zipfile.zip ... (Bug#47209)
+    "Vault password: "     ; ansible-playbook --ask-vault-pass ... (Bug#78442)
+    "Vault password (dev): " ; ansible-playbook --vault-id dev@prompt ... (Bug#78442)
+    "SSH password: "       ; ansible-playbook --ask-pass playbook.yml ... (Bug#78442)
+    "BECOME password: "    ; ansible-playbook --ask-become-pass ... (Bug#78442)
     "Mot de Passe :" ; localized (Bug#29729)
     "Passwort:") ; localized
   "List of strings that should match `comint-password-prompt-regexp'.")