diff --git a/Kernel/cpan-lib/YAML.pm b/Kernel/cpan-lib/YAML.pm
index 6d0f4ea6d9e..9e142837f65 100644
--- a/Kernel/cpan-lib/YAML.pm
+++ b/Kernel/cpan-lib/YAML.pm
@@ -1,5 +1,5 @@
 package YAML;
-our $VERSION = '1.20';
+our $VERSION = '1.23';
 
 use YAML::Mo;
 
@@ -7,8 +7,18 @@ use Exporter;
 push @YAML::ISA, 'Exporter';
 our @EXPORT = qw{ Dump Load };
 our @EXPORT_OK = qw{ freeze thaw DumpFile LoadFile Bless Blessed };
+our (
+    $UseCode, $DumpCode, $LoadCode,
+    $SpecVersion,
+    $UseHeader, $UseVersion, $UseBlock, $UseFold, $UseAliases,
+    $Indent, $SortKeys, $Preserve,
+    $AnchorPrefix, $CompressSeries, $InlineSeries, $Purity,
+    $Stringify, $Numify
+);
+
 
 use YAML::Node; # XXX This is a temp fix for Module::Build
+use Scalar::Util qw/ openhandle /;
 
 # XXX This VALUE nonsense needs to go.
 use constant VALUE => "\x07YAML\x07VALUE\x07";
@@ -44,7 +54,7 @@ sub Load {
 sub DumpFile {
     my $OUT;
     my $filename = shift;
-    if (ref $filename eq 'GLOB') {
+    if (openhandle $filename) {
         $OUT = $filename;
     }
     else {
@@ -70,7 +80,7 @@ sub DumpFile {
 sub LoadFile {
     my $IN;
     my $filename = shift;
-    if (ref $filename eq 'GLOB') {
+    if (openhandle $filename) {
         $IN = $filename;
     }
     else {
diff --git a/Kernel/cpan-lib/YAML/Any.pm b/Kernel/cpan-lib/YAML/Any.pm
index af644f2d818..3afe8553832 100644
--- a/Kernel/cpan-lib/YAML/Any.pm
+++ b/Kernel/cpan-lib/YAML/Any.pm
@@ -1,6 +1,6 @@
 use strict; use warnings;
 package YAML::Any;
-our $VERSION = '1.20';
+our $VERSION = '1.23';
 
 use Exporter ();
 
diff --git a/Kernel/cpan-lib/YAML/Error.pm b/Kernel/cpan-lib/YAML/Error.pm
index abf321d4fd9..1a258fc87f9 100644
--- a/Kernel/cpan-lib/YAML/Error.pm
+++ b/Kernel/cpan-lib/YAML/Error.pm
@@ -106,7 +106,7 @@ YAML_DUMP_ERR_BAD_REGEXP
 YAML_LOAD_ERR_BAD_MAP_ELEMENT
   Invalid element in map
 YAML_LOAD_WARN_DUPLICATE_KEY
-  Duplicate map key found. Ignoring.
+  Duplicate map key '%s' found. Ignoring.
 YAML_LOAD_ERR_BAD_SEQ_ELEMENT
   Invalid element in sequence
 YAML_PARSE_ERR_INLINE_MAP
diff --git a/Kernel/cpan-lib/YAML/Loader.pm b/Kernel/cpan-lib/YAML/Loader.pm
index f29f9a9ccef..cc31abe24f6 100644
--- a/Kernel/cpan-lib/YAML/Loader.pm
+++ b/Kernel/cpan-lib/YAML/Loader.pm
@@ -355,7 +355,7 @@ sub _parse_mapping {
         $self->_parse_next_line(COLLECTION);
         my $value = $self->_parse_node();
         if (exists $mapping->{$key}) {
-            $self->warn('YAML_LOAD_WARN_DUPLICATE_KEY');
+            $self->warn('YAML_LOAD_WARN_DUPLICATE_KEY', $key);
         }
         else {
             $mapping->{$key} = $value;
@@ -454,6 +454,11 @@ sub _parse_inline {
             $node = $self->_parse_inline_simple();
         }
         $node = $self->_parse_implicit($node) unless $explicit;
+
+        if ($self->numify and defined $node and not ref $node and length $node
+            and $node =~ m/\A-?(?:0|[1-9][0-9]*)?(?:\.[0-9]*)?(?:[eE][+-]?[0-9]+)?\z/) {
+            $node += 0;
+        }
     }
     if ($explicit) {
         $node = $self->_parse_explicit($node, $explicit);
@@ -486,7 +491,7 @@ sub _parse_inline_mapping {
           unless $self->{inline} =~ s/^\: \s*//;
         my $value = $self->_parse_inline();
         if (exists $node->{$key}) {
-            $self->warn('YAML_LOAD_WARN_DUPLICATE_KEY');
+            $self->warn('YAML_LOAD_WARN_DUPLICATE_KEY', $key);
         }
         else {
             $node->{$key} = $value;
@@ -638,7 +643,10 @@ sub _parse_next_line {
     $self->die('YAML_EMIT_ERR_BAD_LEVEL') unless defined $offset;
     shift @{$self->lines};
     $self->eos($self->{done} = not @{$self->lines});
-    return if $self->eos;
+    if ($self->eos) {
+        $self->offset->[$level + 1] = $offset + 1;
+        return;
+    }
     $self->{line}++;
 
     # Determine the offset for a new leaf node
diff --git a/Kernel/cpan-lib/YAML/Loader/Base.pm b/Kernel/cpan-lib/YAML/Loader/Base.pm
index 6558acdd921..334c5a69e97 100644
--- a/Kernel/cpan-lib/YAML/Loader/Base.pm
+++ b/Kernel/cpan-lib/YAML/Loader/Base.pm
@@ -20,12 +20,14 @@ has indent        => default => sub {0};
 has major_version => default => sub {0};
 has minor_version => default => sub {0};
 has inline        => default => sub {''};
+has numify        => default => sub {0};
 
 sub set_global_options {
     my $self = shift;
     $self->load_code($YAML::LoadCode || $YAML::UseCode)
       if defined $YAML::LoadCode or defined $YAML::UseCode;
-    $self->preserve($YAML::Preserve) if defined $YAML::Preserve
+    $self->preserve($YAML::Preserve) if defined $YAML::Preserve;
+    $self->numify($YAML::Numify) if defined $YAML::Numify;
 }
 
 sub load {