diff --git a/apps/files_sharing/lib/Config/ConfigLexicon.php b/apps/files_sharing/lib/Config/ConfigLexicon.php
index c0f57a932bba3..efa3817a46943 100644
--- a/apps/files_sharing/lib/Config/ConfigLexicon.php
+++ b/apps/files_sharing/lib/Config/ConfigLexicon.php
@@ -26,6 +26,7 @@ class ConfigLexicon implements ILexicon {
 	public const EXCLUDE_RESHARE_FROM_EDIT = 'shareapi_exclude_reshare_from_edit';
 	public const UPDATE_CUTOFF_TIME = 'update_cutoff_time';
 	public const USER_NEEDS_SHARE_REFRESH = 'user_needs_share_refresh';
+	public const SHARING_DIALOG_ENABLED = 'sharing_dialog_enabled';
 
 	#[\Override]
 	public function getStrictness(): Strictness {
@@ -40,6 +41,10 @@ public function getAppConfigs(): array {
 			new Entry(self::EXCLUDE_RESHARE_FROM_EDIT, ValueType::BOOL, false, 'Exclude reshare permission from "Allow editing" bundled permissions'),
 
 			new Entry(self::UPDATE_CUTOFF_TIME, ValueType::FLOAT, 3.0, 'Maximum time in second during which we update the share data immediately before switching to only marking the user'),
+
+			// Hidden killswitch: enables the new unified sharing dialog UI in the sidebar.
+			// Set to false to temporarily restore the legacy sharing inputs and menus.
+			new Entry(self::SHARING_DIALOG_ENABLED, ValueType::BOOL, true, 'Use the new unified sharing dialog in the files sidebar instead of the legacy inline UI', true),
 		];
 	}
 
diff --git a/apps/files_sharing/lib/Listener/LoadSidebarListener.php b/apps/files_sharing/lib/Listener/LoadSidebarListener.php
index e6a30a5688173..b6b0e25cef9b1 100644
--- a/apps/files_sharing/lib/Listener/LoadSidebarListener.php
+++ b/apps/files_sharing/lib/Listener/LoadSidebarListener.php
@@ -47,8 +47,11 @@ public function handle(Event $event): void {
 		$showExternalSharing = $appConfig->getValueBool('files_sharing', 'outgoing_server2server_share_enabled', true)
 			|| $appConfig->getValueBool('core', 'shareapi_allow_links', true);
 
+		$sharingDialogEnabled = $appConfig->getValueBool('files_sharing', ConfigLexicon::SHARING_DIALOG_ENABLED, true);
+
 		$this->initialState->provideInitialState('showFederatedSharesAsInternal', $showFederatedAsInternal);
 		$this->initialState->provideInitialState('showFederatedSharesToTrustedServersAsInternal', $showFederatedToTrustedAsInternal);
 		$this->initialState->provideInitialState('showExternalSharing', $showExternalSharing);
+		$this->initialState->provideInitialState('sharingDialogEnabled', $sharingDialogEnabled);
 	}
 }
diff --git a/apps/files_sharing/src/components/SharingEntry.vue b/apps/files_sharing/src/components/SharingEntry.vue
index 24b7b3f9da6e5..58572fa653bea 100644
--- a/apps/files_sharing/src/components/SharingEntry.vue
+++ b/apps/files_sharing/src/components/SharingEntry.vue
@@ -28,13 +28,14 @@
 				</span>
 			</component>
 			<SharingEntryQuickShareSelect
+				v-if="!config.sharingDialogEnabled"
 				:share="share"
 				:file-info="fileInfo"
 				@open-sharing-details="openShareDetailsForCustomSettings(share)" />
 		</div>
 		<ShareExpiryTime v-if="share && share.expireDate" :share="share" />
 		<NcButton
-			v-if="share.canEdit"
+			v-if="share.canEdit && !config.sharingDialogEnabled"
 			class="sharing-entry__action"
 			data-cy-files-sharing-share-actions
 			:aria-label="t('files_sharing', 'Open Sharing Details')"
@@ -44,19 +45,47 @@
 				<DotsHorizontalIcon :size="20" />
 			</template>
 		</NcButton>
+		<!-- Unified dialog: edit + delete as a simple dual button -->
+		<template v-else-if="config.sharingDialogEnabled">
+			<NcButton
+				v-if="share.canEdit"
+				class="sharing-entry__action"
+				:aria-label="t('files_sharing', 'Edit share')"
+				variant="tertiary"
+				@click="openEditDialog">
+				<template #icon>
+					<PencilIcon :size="20" />
+				</template>
+			</NcButton>
+			<NcButton
+				v-if="share.canDelete"
+				class="sharing-entry__action"
+				:aria-label="t('files_sharing', 'Delete share')"
+				variant="tertiary"
+				@click="confirmDelete">
+				<template #icon>
+					<DeleteIcon :size="20" />
+				</template>
+			</NcButton>
+		</template>
 	</li>
 </template>
 
 <script>
+import { DialogBuilder } from '@nextcloud/dialogs'
 import { ShareType } from '@nextcloud/sharing'
 import NcAvatar from '@nextcloud/vue/components/NcAvatar'
 import NcButton from '@nextcloud/vue/components/NcButton'
 import NcSelect from '@nextcloud/vue/components/NcSelect'
+import DeleteIcon from 'vue-material-design-icons/Delete.vue'
 import DotsHorizontalIcon from 'vue-material-design-icons/DotsHorizontal.vue'
+import PencilIcon from 'vue-material-design-icons/Pencil.vue'
 import ShareExpiryTime from './ShareExpiryTime.vue'
 import SharingEntryQuickShareSelect from './SharingEntryQuickShareSelect.vue'
 import ShareDetails from '../mixins/ShareDetails.js'
 import SharesMixin from '../mixins/SharesMixin.js'
+import { openShareEditDialog } from '../services/SharingDialog.ts'
+import logger from '../services/logger.ts'
 
 export default {
 	name: 'SharingEntry',
@@ -64,7 +93,9 @@ export default {
 	components: {
 		NcButton,
 		NcAvatar,
+		DeleteIcon,
 		DotsHorizontalIcon,
+		PencilIcon,
 		NcSelect,
 		ShareExpiryTime,
 		SharingEntryQuickShareSelect,
@@ -130,6 +161,52 @@ export default {
 	},
 
 	methods: {
+		/**
+		 * Open the unified sharing dialog to edit this share.
+		 */
+		async openEditDialog() {
+			try {
+				await openShareEditDialog(this.share.id, this.fileInfo.node)
+			} catch (error) {
+				logger.error('Failed to open the sharing dialog', { error })
+			}
+		},
+
+		/**
+		 * Ask for confirmation before deleting the share.
+		 */
+		async confirmDelete() {
+			let confirmed = false
+			const dialog = (new DialogBuilder())
+				.setName(t('files_sharing', 'Delete share'))
+				.setText(t('files_sharing', 'Are you sure you want to delete this share? This operation cannot be undone.'))
+				.setButtons([
+					{
+						label: t('files_sharing', 'Cancel'),
+						variant: 'secondary',
+						callback: () => {},
+					},
+					{
+						label: t('files_sharing', 'Delete'),
+						variant: 'error',
+						callback: () => {
+							confirmed = true
+						},
+					},
+				])
+				.build()
+
+			try {
+				await dialog.show()
+			} catch (error) {
+				logger.debug('Delete confirmation dialog closed', { error })
+			}
+
+			if (confirmed) {
+				this.onDelete()
+			}
+		},
+
 		/**
 		 * Save potential changed data on menu close
 		 */
diff --git a/apps/files_sharing/src/components/SharingEntryLink.vue b/apps/files_sharing/src/components/SharingEntryLink.vue
index 7e2c22713e2d7..f10dbdd1316d8 100644
--- a/apps/files_sharing/src/components/SharingEntryLink.vue
+++ b/apps/files_sharing/src/components/SharingEntryLink.vue
@@ -21,7 +21,7 @@
 					{{ subtitle }}
 				</p>
 				<SharingEntryQuickShareSelect
-					v-if="share && share.permissions !== undefined"
+					v-if="share && share.permissions !== undefined && !config.sharingDialogEnabled"
 					:share="share"
 					:file-info="fileInfo"
 					@open-sharing-details="openShareDetailsForCustomSettings(share)" />
@@ -152,6 +152,7 @@
 			<template v-if="share">
 				<template v-if="share.canEdit && canReshare">
 					<NcActionButton
+						v-if="!config.sharingDialogEnabled"
 						:disabled="saving"
 						:close-after-click="true"
 						@click.prevent="openSharingDetails">
@@ -160,6 +161,16 @@
 						</template>
 						{{ t('files_sharing', 'Customize link') }}
 					</NcActionButton>
+					<NcActionButton
+						v-else
+						:disabled="saving"
+						:close-after-click="true"
+						@click.prevent="openEditDialog">
+						<template #icon>
+							<Tune :size="20" />
+						</template>
+						{{ t('files_sharing', 'Customize link') }}
+					</NcActionButton>
 				</template>
 
 				<NcActionButton
@@ -279,6 +290,7 @@ import SidebarTabExternalActionLegacy from './SidebarTabExternal/SidebarTabExter
 import ShareDetails from '../mixins/ShareDetails.js'
 import SharesMixin from '../mixins/SharesMixin.js'
 import Share from '../models/Share.ts'
+import { openShareEditDialog } from '../services/SharingDialog.ts'
 import logger from '../services/logger.ts'
 import GeneratePassword from '../utils/GeneratePassword.ts'
 
@@ -628,6 +640,17 @@ export default {
 	},
 
 	methods: {
+		/**
+		 * Open the unified sharing dialog to edit this link share.
+		 */
+		async openEditDialog() {
+			try {
+				await openShareEditDialog(this.share.id, this.fileInfo.node)
+			} catch (error) {
+				logger.error('Failed to open the sharing dialog', { error })
+			}
+		},
+
 		/**
 		 * Check if the share requires review
 		 *
diff --git a/apps/files_sharing/src/services/ConfigService.ts b/apps/files_sharing/src/services/ConfigService.ts
index 7d3a24672ea6a..320fb8e359d37 100644
--- a/apps/files_sharing/src/services/ConfigService.ts
+++ b/apps/files_sharing/src/services/ConfigService.ts
@@ -344,4 +344,13 @@ export default class Config {
 	get showExternalSharing(): boolean {
 		return loadState('files_sharing', 'showExternalSharing', true)
 	}
+
+	/**
+	 * Whether the new unified sharing dialog replaces the legacy inline sharing UI.
+	 * Hidden killswitch (appconfig files_sharing sharing_dialog_enabled); set to
+	 * false to temporarily restore the legacy inputs and menus.
+	 */
+	get sharingDialogEnabled(): boolean {
+		return loadState('files_sharing', 'sharingDialogEnabled', true)
+	}
 }
diff --git a/apps/files_sharing/src/services/SharingDialog.ts b/apps/files_sharing/src/services/SharingDialog.ts
new file mode 100644
index 0000000000000..12cfa6593f9ae
--- /dev/null
+++ b/apps/files_sharing/src/services/SharingDialog.ts
@@ -0,0 +1,28 @@
+/**
+ * SPDX-FileCopyrightText: 2026 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+import type { Node } from '@nextcloud/files'
+
+import { getShare, openSharingDialog } from '@nextcloud/sharing/dialog'
+
+/**
+ * Open the unified sharing dialog to create a new share for a node.
+ *
+ * @param node The file or folder to share
+ */
+export async function openShareCreateDialog(node: Node): Promise<unknown> {
+	return openSharingDialog(node)
+}
+
+/**
+ * Open the unified sharing dialog to edit an existing share.
+ *
+ * @param shareId The share id (mapped to the unified API by the legacy bridge)
+ * @param node The backing node, used for the dialog title
+ */
+export async function openShareEditDialog(shareId: string | number, node?: Node): Promise<unknown> {
+	const share = await getShare(String(shareId))
+	return share.showDialog(node)
+}
diff --git a/apps/files_sharing/src/views/SharingTab.vue b/apps/files_sharing/src/views/SharingTab.vue
index 0463a9969d28f..ed22cf04e867d 100644
--- a/apps/files_sharing/src/views/SharingTab.vue
+++ b/apps/files_sharing/src/views/SharingTab.vue
@@ -27,6 +27,19 @@
 				</SharingEntrySimple>
 			</ul>
 
+			<!-- Unified sharing dialog entry point (replaces the inline inputs) -->
+			<NcButton
+				v-if="config.sharingDialogEnabled"
+				class="sharingTab__share-button"
+				variant="primary"
+				wide
+				@click="openShareDialog">
+				<template #icon>
+					<ShareVariantIcon :size="20" />
+				</template>
+				{{ t('files_sharing', 'Share') }}
+			</NcButton>
+
 			<section>
 				<div class="section-header">
 					<h4>{{ t('files_sharing', 'Internal shares') }}</h4>
@@ -48,7 +61,7 @@
 				</div>
 				<!-- add new share input -->
 				<SharingInput
-					v-if="!loading"
+					v-if="!loading && !config.sharingDialogEnabled"
 					:can-reshare="canReshare"
 					:file-info="fileInfo"
 					:link-shares="linkShares"
@@ -92,7 +105,7 @@
 					</NcPopover>
 				</div>
 				<SharingInput
-					v-if="!loading"
+					v-if="!loading && !config.sharingDialogEnabled"
 					:can-reshare="canReshare"
 					:file-info="fileInfo"
 					:link-shares="linkShares"
@@ -191,6 +204,7 @@ import NcButton from '@nextcloud/vue/components/NcButton'
 import NcCollectionList from '@nextcloud/vue/components/NcCollectionList'
 import NcPopover from '@nextcloud/vue/components/NcPopover'
 import InfoIcon from 'vue-material-design-icons/InformationOutline.vue'
+import ShareVariantIcon from 'vue-material-design-icons/ShareVariant.vue'
 import SharingEntryInternal from '../components/SharingEntryInternal.vue'
 import SharingEntrySimple from '../components/SharingEntrySimple.vue'
 import SharingInput from '../components/SharingInput.vue'
@@ -203,6 +217,7 @@ import SharingList from './SharingList.vue'
 import ShareDetails from '../mixins/ShareDetails.js'
 import Share from '../models/Share.ts'
 import Config from '../services/ConfigService.ts'
+import { openShareCreateDialog } from '../services/SharingDialog.ts'
 import logger from '../services/logger.ts'
 import { shareWithTitle } from '../utils/SharedWithMe.js'
 
@@ -217,6 +232,7 @@ export default {
 		NcButton,
 		NcCollectionList,
 		NcPopover,
+		ShareVariantIcon,
 		SharingEntryInternal,
 		SharingEntrySimple,
 		SharingInherited,
@@ -346,6 +362,17 @@ export default {
 	},
 
 	methods: {
+		/**
+		 * Open the unified sharing dialog to create a share for the current node.
+		 */
+		async openShareDialog() {
+			try {
+				await openShareCreateDialog(this.fileInfo.node)
+			} catch (error) {
+				logger.error('Failed to open the sharing dialog', { error })
+			}
+		},
+
 		/**
 		 * Get the existing shares infos
 		 */