diff --git a/frontend/components/client-ticket/ClientTicketDetailModal.vue b/frontend/components/client-ticket/ClientTicketDetailModal.vue
index 8dc1b21..28fdb09 100644
--- a/frontend/components/client-ticket/ClientTicketDetailModal.vue
+++ b/frontend/components/client-ticket/ClientTicketDetailModal.vue
@@ -27,90 +27,161 @@
                                     {{ $t('portal.ticketDetail') }}
                                 </h2>
                             </div>
-                            <button
-                                type="button"
-                                class="flex h-8 w-8 items-center justify-center rounded-lg text-neutral-400 transition-colors hover:bg-neutral-200/60 hover:text-neutral-600"
-                                @click="close"
-                            >
-                                <Icon name="mdi:close" size="20" />
-                            </button>
+                            <div class="flex items-center gap-2">
+                                <!-- Edit button (only for open tickets submitted by current user) -->
+                                <button
+                                    v-if="canEdit && !isEditing"
+                                    type="button"
+                                    class="flex h-8 items-center gap-1.5 rounded-lg px-3 text-sm font-medium text-primary-500 transition-colors hover:bg-primary-50"
+                                    @click="startEdit"
+                                >
+                                    <Icon name="mdi:pencil-outline" size="16" />
+                                    {{ $t('common.edit') }}
+                                </button>
+                                <button
+                                    type="button"
+                                    class="flex h-8 w-8 items-center justify-center rounded-lg text-neutral-400 transition-colors hover:bg-neutral-200/60 hover:text-neutral-600"
+                                    @click="close"
+                                >
+                                    <Icon name="mdi:close" size="20" />
+                                </button>
+                            </div>
                         </div>
                     </div>
 
                     <!-- Body -->
                     <div v-if="ticket" class="overflow-y-auto px-4 py-4 sm:px-8 sm:py-6">
-                        <!-- Title -->
-                        <h3 class="text-base font-bold text-neutral-900">{{ ticket.title }}</h3>
 
-                        <!-- Badges -->
-                        <div class="mt-3 flex items-center gap-2">
-                            <span
-                                class="rounded-full px-2 py-0.5 text-xs font-semibold text-white"
-                                :class="typeBadgeClass(ticket.type)"
-                            >
-                                {{ $t(`clientTicket.type.${ticket.type}`) }}
-                            </span>
-                            <span
-                                class="rounded-full px-3 py-1 text-xs font-semibold"
-                                :class="statusBadgeClass(ticket.status)"
-                            >
-                                {{ $t(`clientTicket.status.${ticket.status}`) }}
-                            </span>
-                        </div>
+                        <!-- Edit mode -->
+                        <template v-if="isEditing">
+                            <div>
+                                <label class="mb-1 block text-sm font-medium text-neutral-700">
+                                    {{ $t('clientTicket.fields.title') }}
+                                </label>
+                                <input
+                                    v-model="editForm.title"
+                                    type="text"
+                                    class="w-full rounded-lg border border-neutral-300 px-3 py-2 text-sm focus:border-primary-500 focus:outline-none focus:ring-1 focus:ring-primary-500"
+                                />
+                            </div>
 
-                        <!-- Description -->
-                        <div class="mt-4">
-                            <p class="text-sm font-medium text-neutral-700">{{ $t('clientTicket.description') }}</p>
-                            <p class="mt-1 whitespace-pre-wrap text-sm text-neutral-600">{{ ticket.description }}</p>
-                        </div>
+                            <div class="mt-4">
+                                <label class="mb-1 block text-sm font-medium text-neutral-700">
+                                    {{ $t('clientTicket.description') }}
+                                </label>
+                                <textarea
+                                    v-model="editForm.description"
+                                    rows="5"
+                                    class="w-full rounded-lg border border-neutral-300 px-3 py-2 text-sm focus:border-primary-500 focus:outline-none focus:ring-1 focus:ring-primary-500"
+                                />
+                            </div>
 
-                        <!-- URL (if bug) -->
-                        <div v-if="ticket.url" class="mt-4">
-                            <p class="text-sm font-medium text-neutral-700">{{ $t('clientTicket.url') }}</p>
-                            <a
-                                :href="ticket.url"
-                                target="_blank"
-                                class="mt-1 text-sm text-primary-500 underline hover:text-primary-600"
-                            >
-                                {{ ticket.url }}
-                            </a>
-                        </div>
+                            <div v-if="ticket.type === 'bug'" class="mt-4">
+                                <label class="mb-1 block text-sm font-medium text-neutral-700">
+                                    {{ $t('clientTicket.fields.url') }}
+                                </label>
+                                <input
+                                    v-model="editForm.url"
+                                    type="url"
+                                    class="w-full rounded-lg border border-neutral-300 px-3 py-2 text-sm focus:border-primary-500 focus:outline-none focus:ring-1 focus:ring-primary-500"
+                                    :placeholder="$t('clientTicket.fields.urlPlaceholder')"
+                                />
+                            </div>
 
-                        <!-- Status comment -->
-                        <div v-if="ticket.statusComment" class="mt-4">
-                            <p class="text-sm font-medium text-neutral-700">{{ $t('clientTicket.statusComment') }}</p>
-                            <p class="mt-1 whitespace-pre-wrap rounded-lg bg-neutral-50 p-3 text-sm text-neutral-600">{{ ticket.statusComment }}</p>
-                        </div>
+                            <div class="mt-6 flex justify-end gap-3">
+                                <button
+                                    type="button"
+                                    class="rounded-lg border border-neutral-300 px-4 py-2 text-sm font-semibold text-neutral-700 transition-colors hover:bg-neutral-50"
+                                    @click="cancelEdit"
+                                >
+                                    {{ $t('common.cancel') }}
+                                </button>
+                                <button
+                                    type="button"
+                                    class="rounded-lg bg-primary-500 px-6 py-2 text-sm font-semibold text-white transition-colors hover:bg-secondary-500 disabled:cursor-not-allowed disabled:opacity-50"
+                                    :disabled="isSaving"
+                                    @click="saveEdit"
+                                >
+                                    {{ $t('common.save') }}
+                                </button>
+                            </div>
+                        </template>
 
-                        <!-- Documents -->
-                        <TaskDocumentList
-                            v-if="localDocuments.length"
-                            :documents="localDocuments"
-                            :is-admin="false"
-                            @preview="openPreview"
-                        />
+                        <!-- View mode -->
+                        <template v-else>
+                            <!-- Title -->
+                            <h3 class="text-base font-bold text-neutral-900">{{ ticket.title }}</h3>
 
-                        <!-- Document preview -->
-                        <TaskDocumentPreview
-                            :document="previewDoc"
-                            :has-prev="previewIndex > 0"
-                            :has-next="previewIndex < localDocuments.length - 1"
-                            @close="previewDoc = null"
-                            @prev="prevPreview"
-                            @next="nextPreview"
-                        />
+                            <!-- Badges -->
+                            <div class="mt-3 flex items-center gap-2">
+                                <span
+                                    class="rounded-full px-2 py-0.5 text-xs font-semibold text-white"
+                                    :class="typeBadgeClass(ticket.type)"
+                                >
+                                    {{ $t(`clientTicket.type.${ticket.type}`) }}
+                                </span>
+                                <span
+                                    class="rounded-full px-3 py-1 text-xs font-semibold"
+                                    :class="statusBadgeClass(ticket.status)"
+                                >
+                                    {{ $t(`clientTicket.status.${ticket.status}`) }}
+                                </span>
+                            </div>
 
-                        <!-- Upload zone -->
-                        <TaskDocumentUpload
-                            v-if="ticket"
-                            :client-ticket-id="ticket.id"
-                            @uploaded="refreshDocuments"
-                        />
+                            <!-- Description -->
+                            <div class="mt-4">
+                                <p class="text-sm font-medium text-neutral-700">{{ $t('clientTicket.description') }}</p>
+                                <p class="mt-1 whitespace-pre-wrap text-sm text-neutral-600">{{ ticket.description }}</p>
+                            </div>
 
-                        <!-- Date -->
-                        <p class="mt-6 text-xs text-neutral-400">
-                            {{ $t('clientTicket.createdAt') }} : {{ formatDate(ticket.createdAt) }}
-                        </p>
+                            <!-- URL (if bug) -->
+                            <div v-if="ticket.url" class="mt-4">
+                                <p class="text-sm font-medium text-neutral-700">{{ $t('clientTicket.url') }}</p>
+                                <a
+                                    :href="ticket.url"
+                                    target="_blank"
+                                    class="mt-1 text-sm text-primary-500 underline hover:text-primary-600"
+                                >
+                                    {{ ticket.url }}
+                                </a>
+                            </div>
+
+                            <!-- Status comment -->
+                            <div v-if="ticket.statusComment" class="mt-4">
+                                <p class="text-sm font-medium text-neutral-700">{{ $t('clientTicket.statusComment') }}</p>
+                                <p class="mt-1 whitespace-pre-wrap rounded-lg bg-neutral-50 p-3 text-sm text-neutral-600">{{ ticket.statusComment }}</p>
+                            </div>
+
+                            <!-- Documents -->
+                            <TaskDocumentList
+                                v-if="localDocuments.length"
+                                :documents="localDocuments"
+                                :is-admin="false"
+                                @preview="openPreview"
+                            />
+
+                            <!-- Document preview -->
+                            <TaskDocumentPreview
+                                :document="previewDoc"
+                                :has-prev="previewIndex > 0"
+                                :has-next="previewIndex < localDocuments.length - 1"
+                                @close="previewDoc = null"
+                                @prev="prevPreview"
+                                @next="nextPreview"
+                            />
+
+                            <!-- Upload zone -->
+                            <TaskDocumentUpload
+                                v-if="ticket"
+                                :client-ticket-id="ticket.id"
+                                @uploaded="refreshDocuments"
+                            />
+
+                            <!-- Date -->
+                            <p class="mt-6 text-xs text-neutral-400">
+                                {{ $t('clientTicket.createdAt') }} : {{ formatDate(ticket.createdAt) }}
+                            </p>
+                        </template>
                     </div>
                 </div>
             </div>
@@ -122,6 +193,7 @@
 import type { ClientTicket } from '~/services/dto/client-ticket'
 import type { TaskDocument } from '~/services/dto/task-document'
 import { useTaskDocumentService } from '~/services/task-documents'
+import { useClientTicketService } from '~/services/client-tickets'
 
 const props = defineProps<{
     modelValue: boolean
@@ -130,6 +202,7 @@ const props = defineProps<{
 
 const emit = defineEmits<{
     (e: 'update:modelValue', value: boolean): void
+    (e: 'refresh'): void
 }>()
 
 const isOpen = computed({
@@ -138,12 +211,72 @@ const isOpen = computed({
 })
 
 function close() {
+    isEditing.value = false
     isOpen.value = false
 }
 
+const auth = useAuthStore()
 const { getByTicket } = useTaskDocumentService()
+const clientTicketService = useClientTicketService()
 const { typeBadgeClass, statusBadgeClass, formatDate } = useClientTicketHelpers()
 
+// Edit mode
+const isEditing = ref(false)
+const isSaving = ref(false)
+const editForm = reactive({
+    title: '',
+    description: '',
+    url: '',
+})
+
+const canEdit = computed(() => {
+    if (!props.ticket) return false
+    const status = props.ticket.status
+    if (status === 'done' || status === 'rejected') return false
+    // Check if current user submitted the ticket
+    const userId = auth.user?.id
+    if (!userId) return false
+    const submittedByIri = props.ticket.submittedBy
+    if (!submittedByIri) return false
+    return submittedByIri === `/api/users/${userId}`
+})
+
+function startEdit() {
+    if (!props.ticket) return
+    editForm.title = props.ticket.title
+    editForm.description = props.ticket.description
+    editForm.url = props.ticket.url ?? ''
+    isEditing.value = true
+}
+
+function cancelEdit() {
+    isEditing.value = false
+}
+
+async function saveEdit() {
+    if (!props.ticket) return
+    isSaving.value = true
+    try {
+        const data: Record<string, unknown> = {
+            title: editForm.title,
+            description: editForm.description,
+        }
+        if (props.ticket.type === 'bug') {
+            data.url = editForm.url || null
+        }
+        await clientTicketService.update(props.ticket.id, data as any)
+        isEditing.value = false
+        emit('refresh')
+    } finally {
+        isSaving.value = false
+    }
+}
+
+// Reset edit mode when ticket changes
+watch(() => props.ticket?.id, () => {
+    isEditing.value = false
+})
+
 async function refreshDocuments() {
     if (!props.ticket) return
     localDocuments.value = await getByTicket(props.ticket.id)
diff --git a/frontend/i18n/locales/fr.json b/frontend/i18n/locales/fr.json
index f71191e..cccfbc2 100644
--- a/frontend/i18n/locales/fr.json
+++ b/frontend/i18n/locales/fr.json
@@ -166,6 +166,8 @@
     },
     "common": {
         "cancel": "Annuler",
+        "save": "Enregistrer",
+        "edit": "Modifier",
         "loading": "Chargement...",
         "dateFilter": "Date",
         "today": "Aujourd'hui",
diff --git a/frontend/services/client-tickets.ts b/frontend/services/client-tickets.ts
index efda4eb..c938a51 100644
--- a/frontend/services/client-tickets.ts
+++ b/frontend/services/client-tickets.ts
@@ -30,11 +30,17 @@ export function useClientTicketService() {
         })
     }
 
+    async function update(id: number, data: Partial<ClientTicketWrite>): Promise<ClientTicket> {
+        return api.patch<ClientTicket>(`/client_tickets/${id}`, data as Record<string, unknown>, {
+            toastSuccessKey: 'clientTicket.statusUpdated',
+        })
+    }
+
     async function remove(id: number): Promise<void> {
         await api.delete(`/client_tickets/${id}`, {}, {
             toastSuccessKey: 'clientTicket.deleted',
         })
     }
 
-    return { getAll, getById, create, updateStatus, remove }
+    return { getAll, getById, create, update, updateStatus, remove }
 }