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PS5 Relapse Jailbreak Uses WebKit and Kernel Exploit to Gain Read/Write Access

ID: 0117f9b1-c54b-57e3-a1b3-8ed7bdb9f54d

STIX ID: report--0117f9b1-c54b-57e3-a1b3-8ed7bdb9f54d

Feed Name: Cyber Press

Threat Score
50/100

Date Published: 2026-10-02

Date Updated: 2026-10-02

Author: Tamilselvan

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Relapse is a publicly released proof-of-concept jailbreak for PlayStation 5 firmware 7.00–13.60 that chains a WebKit (JavaScriptCore) typed-array corruption in the PS5 browser with a kernel use-after-free in aio_multi_wait to achieve kernel-level read/write. The project includes offset files, source code, and payload components, but authors warn of instability (browser stalls, kernel panics, data loss) and recommend applying official firmware updates and avoiding untrusted or modified software.

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