diff --git a/bitnami/argo-cd/3.4/debian-12/Dockerfile b/bitnami/argo-cd/3.4/debian-12/Dockerfile
index f2f7bf5b1d41..7468484158f0 100644
--- a/bitnami/argo-cd/3.4/debian-12/Dockerfile
+++ b/bitnami/argo-cd/3.4/debian-12/Dockerfile
@@ -7,7 +7,7 @@ ARG DOWNLOADS_URL="downloads.bitnami.com/files/stacksmith"
 ARG TARGETARCH
 
 LABEL org.opencontainers.image.base.name="docker.io/bitnami/minideb:bookworm" \
-      org.opencontainers.image.created="2026-05-23T06:29:39Z" \
+      org.opencontainers.image.created="2026-05-27T06:34:25Z" \
       org.opencontainers.image.description="Application packaged by Broadcom, Inc." \
       org.opencontainers.image.documentation="https://github.com/bitnami/containers/tree/main/bitnami/argo-cd/README.md" \
       org.opencontainers.image.source="https://github.com/bitnami/containers/tree/main/bitnami/argo-cd" \
@@ -35,12 +35,12 @@ RUN --mount=type=secret,id=downloads_url,env=SECRET_DOWNLOADS_URL \
     for COMPONENT in "${COMPONENTS[@]}"; do \
       if [ ! -f "${COMPONENT}.tar.gz" ]; then \
         curl -SsLf "https://${DOWNLOADS_URL}/${COMPONENT}.tar.gz" -O ; \
-        curl -SsLf "https://${DOWNLOADS_URL}/${COMPONENT}.tar.gz.sha256" -O ; \
       fi ; \
-      sha256sum -c "${COMPONENT}.tar.gz.sha256" ; \
+      sha256sum -c "/opt/bitnami/checksums/${COMPONENT}.tar.gz.sha256" ; \
       tar -zxf "${COMPONENT}.tar.gz" -C /opt/bitnami --strip-components=2 --no-same-owner ; \
-      rm -rf "${COMPONENT}".tar.gz{,.sha256} ; \
-    done
+      rm -rf "${COMPONENT}".tar.gz ; \
+    done ; \
+    rm -rf /opt/bitnami/checksums ;
 RUN apt-get update && apt-get upgrade -y && \
     apt-get clean && rm -rf /var/lib/apt/lists /var/cache/apt/archives
 RUN chmod g+rwX /opt/bitnami
@@ -51,7 +51,7 @@ COPY rootfs /
 RUN /opt/bitnami/scripts/argo-cd/postunpack.sh
 ENV APP_VERSION="3.4.2" \
     BITNAMI_APP_NAME="argo-cd" \
-    IMAGE_REVISION="4" \
+    IMAGE_REVISION="5" \
     PATH="/opt/bitnami/common/bin:/opt/bitnami/helm/bin:/opt/bitnami/argo-cd/bin:/opt/bitnami/argo-cd/hack:/opt/bitnami/ksonnet/bin:/opt/bitnami/kustomize/bin:$PATH"
 
 USER 1001
diff --git a/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/checksums/argo-cd-3.4.2-0-linux-amd64-debian-12.tar.gz.sha256 b/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/checksums/argo-cd-3.4.2-0-linux-amd64-debian-12.tar.gz.sha256
new file mode 100644
index 000000000000..507345964477
--- /dev/null
+++ b/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/checksums/argo-cd-3.4.2-0-linux-amd64-debian-12.tar.gz.sha256
@@ -0,0 +1 @@
+ab5f871624dcb3f7a79b8fedd12405d3c63af5a8e4d697308065b247c1b43a3e  argo-cd-3.4.2-0-linux-amd64-debian-12.tar.gz
diff --git a/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/checksums/argo-cd-3.4.2-0-linux-arm64-debian-12.tar.gz.sha256 b/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/checksums/argo-cd-3.4.2-0-linux-arm64-debian-12.tar.gz.sha256
new file mode 100644
index 000000000000..2f176e5cc7f3
--- /dev/null
+++ b/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/checksums/argo-cd-3.4.2-0-linux-arm64-debian-12.tar.gz.sha256
@@ -0,0 +1 @@
+6479403f730c3f7e9a1b43c2dfaf5eb1941678d741ba573f1d03457ef1361090  argo-cd-3.4.2-0-linux-arm64-debian-12.tar.gz
diff --git a/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/checksums/helm-4.2.0-0-linux-amd64-debian-12.tar.gz.sha256 b/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/checksums/helm-4.2.0-0-linux-amd64-debian-12.tar.gz.sha256
new file mode 100644
index 000000000000..5b6a85a86326
--- /dev/null
+++ b/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/checksums/helm-4.2.0-0-linux-amd64-debian-12.tar.gz.sha256
@@ -0,0 +1 @@
+b934efd34b06e7ebad2642b458a08cf6f6f3082157f4af8e2a1b261f2e3dadef  helm-4.2.0-0-linux-amd64-debian-12.tar.gz
diff --git a/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/checksums/helm-4.2.0-0-linux-arm64-debian-12.tar.gz.sha256 b/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/checksums/helm-4.2.0-0-linux-arm64-debian-12.tar.gz.sha256
new file mode 100644
index 000000000000..709c020215cd
--- /dev/null
+++ b/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/checksums/helm-4.2.0-0-linux-arm64-debian-12.tar.gz.sha256
@@ -0,0 +1 @@
+c311266cd67ef4de5a0b7f2ed10b7f45329df7ca3ef86332b6cdcbebaa43570e  helm-4.2.0-0-linux-arm64-debian-12.tar.gz
diff --git a/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/checksums/nss-wrapper-1.1.16-0-linux-amd64-debian-12.tar.gz.sha256 b/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/checksums/nss-wrapper-1.1.16-0-linux-amd64-debian-12.tar.gz.sha256
new file mode 100644
index 000000000000..cf2734607b9e
--- /dev/null
+++ b/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/checksums/nss-wrapper-1.1.16-0-linux-amd64-debian-12.tar.gz.sha256
@@ -0,0 +1 @@
+af31040a9ef21924a1d4c6d3f0bd6a6be9ef701c9e726b9b3997b82394779b6e  nss-wrapper-1.1.16-0-linux-amd64-debian-12.tar.gz
diff --git a/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/checksums/nss-wrapper-1.1.16-0-linux-arm64-debian-12.tar.gz.sha256 b/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/checksums/nss-wrapper-1.1.16-0-linux-arm64-debian-12.tar.gz.sha256
new file mode 100644
index 000000000000..c4594d6aa7c5
--- /dev/null
+++ b/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/checksums/nss-wrapper-1.1.16-0-linux-arm64-debian-12.tar.gz.sha256
@@ -0,0 +1 @@
+9315fee0fbce2e445778f4cddd4b5a9ae657d40bcc4c9534430d8eaeecf7307c  nss-wrapper-1.1.16-0-linux-arm64-debian-12.tar.gz
diff --git a/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/scripts/libfile.sh b/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/scripts/libfile.sh
index 1c69e0e48a5d..335c1c7c9ef7 100644
--- a/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/scripts/libfile.sh
+++ b/bitnami/argo-cd/3.4/debian-12/prebuildfs/opt/bitnami/scripts/libfile.sh
@@ -139,3 +139,40 @@ wait_for_log_entry() {
         return 1
     fi
 }
+
+########################
+# Creates a secure temporary file containing the provided secret
+# Arguments:
+#   $1 - secret to write to the temporary file
+# Returns:
+#   String
+#########################
+credential_to_temp_file() {
+    local secret="$1"
+    local tmp_file
+
+    # Use mktemp with a specific prefix for easier debugging if something lingers
+    if ! tmp_file=$(mktemp "${TMPDIR:-/tmp}/at.cred.XXXXXXXX"); then
+        echo "Error: Failed to create temp file" >&2
+        return 1
+    fi
+
+    # Restrict permissions before writing the secret
+    chmod 0600 "$tmp_file"
+    # Write secret and ensure it's flushed to disk
+    printf "%s" "$secret" > "$tmp_file"
+    # Output the filename so the caller can capture it
+    echo "$tmp_file"
+}
+
+########################
+# Cleans up temporary files created by credential_to_temp_file
+# Arguments:
+#   None
+# Returns:
+#   None
+#########################
+cleanup_credentials() {
+    debug "Cleaning up temporary files containing credentials"
+    rm -rf "${TMPDIR:-/tmp}"/at.cred.*
+}