This week, Indonesia's leader Prabowo Subianto thought he was having a private conversation with American leader Donald Trump at the Gaza peace summit in Egypt.
However, a hot-mic incident captured Prabowo asking Trump to organize a meeting with his son Don Jr, who hold positions at the Trump organization.
It represented only one in a string of gaffes committed by international figures thinking no one can hear them.
Here are several additional memorable errors:
During a defense ceremony in Beijing in early autumn, China's leader Xi Jinping and Russia's head Vladimir Putin were overheard talking about organ transplants as a approach for prolonging life.
"Human organs can be continuously replaced. The longer you live, the younger you become, and it's possible to even achieve immortality," the Russian translator was recorded stating.
Xi, who was not visible, answered in Chinese: "Experts forecast that in the current era people may live to 150 years old."
A conversation heard between Chinese president Xi Jinping and Russian leader Vladimir Putin
Former Australian immigration minister Peter Dutton faced criticism in 2015 when he joked about the situation of people in the Pacific facing ocean encroachment.
Dutton was speaking to former PM Tony Abbott, who had recently come back from climate change talks with Pacific Island leaders in Port Moresby.
Observing how a migration discussion was running on "Cape York time", Abbott responded: "We had a bit of that up in Port Moresby."
Dutton added: "Schedules become irrelevant when you're about to have the ocean reaching your home."
These remarks provoked anger from regional nations and climate activists, while the opposition Labor party demanded Dutton to apologise.
Peter Dutton recorded making jokes with Tony Abbott about rising sea levels
As Labour prime minister Gordon Brown was on the trail in 2010, he faced a constituent who questioned him on migration and the economic situation.
Still wired up to a Sky news microphone when he entered the car, Brown was recorded stating: "That was a disaster – they should never have put me with that individual. Who thought of that? Ridiculous."
Asked what she had said, he replied: "All topics, she was just a prejudiced person."
This incident received extensive coverage for weeks and Brown went on to lose the election.
Ex-American leader Barack Obama was in conversation at the G20 summit in Cannes in 2011 with then French president Nicolas Sarkozy when their comments about Israeli leader Benjamin Netanyahu were captured by a live microphone.
Sarkozy stated: "I cannot bear Netanyahu. He deceives."
According to a version from a translator quoted by Reuters, Obama responded: "You're fed up with him but I must work with him more often than you."
A vintage recording incident from former White House hopeful George W. Bush occurred when he made a negative comment about a journalist from The New York Times.
The GOP candidate was unaware that a recording device was active when he turned to Dick Cheney at a Labor Day rally and said, "There's Adam Clymer, complete jerk from the New York Times."
Cheney answered: "Absolutely, he is, definitely."
Bush at a political gathering in 2000
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