The Relapse exploit chain enables jailbreaks on PlayStation 5 and PS5 Pro systems running firmware 7.00–13.60, substantially broadening the pool of compatible consoles beyond earlier methods. Delivered through the console browser, it chains a WebKit/JavaScriptCore memory-corruption flaw with a kernel aio_multi_wait use-after-free race to obtain kernel read/write access, then launches an ELF payload loader on TCP port 9021. The access supports homebrew payloads including etaHEN and has been used to enable emulation.
The jailbreak does not support Sony firmware 14.00 or later, creating an immediate trade-off for affected owners: updating can permanently remove access to Relapse, while remaining on a vulnerable version can prevent installation of games or updates that require newer firmware. Researchers and project maintainers warn that exploitation attempts can stall the browser, hang or panic the console, cause instability or data loss, and potentially result in PlayStation Network account bans.

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The Relapse exploit chain was released for jailbreaking supported PlayStation 5 consoles, including PS5 Pro systems on compatible firmware. It uses browser/WebKit and kernel exploitation to gain kernel read/write access and launches an ELF loader for payload execution.
Sony released PS5 firmware 14.00.00, which is outside Relapse's supported firmware range. Some game updates, including a digital Marvel's Wolverine update, reportedly require firmware 14.00.
Sony released PS5 firmware version 13.60. Relapse supports consoles running this version and earlier supported firmware releases.
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