Hey, I've just transcribed the intro, the rest is pretty tough to here over piano but if
listen to it and just play power chords along, it sounds alright! But here's the intro
and you play this during the verses too (mostly)
[ Tab from: https://www.guitartabs.cc/tabs/j/juanes/vulnerable_tab.html ]
E|---------------------------------------------------------|
B|---------------------------------------------------------|
G|-3-------3-----3-------3-----1-------1-----1-------1-----|
D|---1-0-----1-0---1-0-----1-0---2-------2-----2-------2---|
A|---------------------------------2-------2-----2-------2-|
E|-3-----3-------3-----3-------1-----1-------1-----1-------|
Enjoy!