diff --git a/package-lock.json b/package-lock.json
index 60424dbf78b4..19b755e9d854 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -97,7 +97,7 @@
         "react-content-loader": "^7.0.0",
         "react-dom": "19.2.0",
         "react-error-boundary": "^4.0.11",
-        "react-fast-pdf": "^1.0.33",
+        "react-fast-pdf": "^1.0.34",
         "react-is": "^18.3.1",
         "react-map-gl": "^8.1.1",
         "react-native": "0.83.1",
@@ -35395,9 +35395,9 @@
       "license": "MIT"
     },
     "node_modules/react-fast-pdf": {
-      "version": "1.0.33",
-      "resolved": "https://registry.npmjs.org/react-fast-pdf/-/react-fast-pdf-1.0.33.tgz",
-      "integrity": "sha512-AQxCXr3OAUr1Rks/+Mlr2AZBFR71rtojMojtStbUb5HryYFCFE5LVxv9vw5elf/me9ZbuhzqSd/X+YCdun862w==",
+      "version": "1.0.34",
+      "resolved": "https://registry.npmjs.org/react-fast-pdf/-/react-fast-pdf-1.0.34.tgz",
+      "integrity": "sha512-gG9cEREQ/U5iv0A4YyO3n6jdt+Q78gTDoMoVOolDN1G/CgKfd/t7ot8ZYBa/NktqiNdc5T2JWm6gcv9/VOo8qg==",
       "license": "MIT",
       "dependencies": {
         "react-pdf": "10.3.0",
diff --git a/package.json b/package.json
index bea3ba044b09..770e40bbfb0c 100644
--- a/package.json
+++ b/package.json
@@ -171,7 +171,7 @@
     "react-content-loader": "^7.0.0",
     "react-dom": "19.2.0",
     "react-error-boundary": "^4.0.11",
-    "react-fast-pdf": "^1.0.33",
+    "react-fast-pdf": "^1.0.34",
     "react-is": "^18.3.1",
     "react-map-gl": "^8.1.1",
     "react-native": "0.83.1",
diff --git a/src/components/PDFThumbnail/index.tsx b/src/components/PDFThumbnail/index.tsx
index f2a5c5261b2a..1235f2455815 100644
--- a/src/components/PDFThumbnail/index.tsx
+++ b/src/components/PDFThumbnail/index.tsx
@@ -20,7 +20,9 @@ function PDFThumbnail({previewSourceURL, style, enabled = true, onPassword, onLo
                 loading={<LoadingIndicator />}
                 file={previewSourceURL}
                 options={{
-                    cMapUrl: 'cmaps/',
+                    // Use a root-relative URL so the CMap files (needed to render non-Latin fonts)
+                    // resolve against the server root instead of the current deep route.
+                    cMapUrl: '/cmaps/',
                     cMapPacked: true,
                 }}
                 externalLinkTarget="_blank"