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Tag: Insecure Deserialization

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Insecure Deserialization

Insecure Deserialization is a vulnerability in which deserializing untrusted data allows unintended object creation or execution of processing.

In CTFs, challenges may involve supplying crafted serialized data as input to achieve arbitrary code execution or obtain sensitive information. (automatically translated from Japanese)

minaminao
·Updated Apr 24, 2026
Insecure Deserialization Challenges

Resume Maker

Daily AlpacaHack B-SIDETopic: PHPReleased: Mar 5, 2026

60 solves
Web

by

tchen

tchen

USER

SOLVED AT

hiroyuki

2026/06/21 07:47

2026/05/24 19:28

2026/05/23 11:35

2026/05/18 05:47

2026/05/17 05:19

2026/04/29 04:34

2026/04/17 06:24

2026/04/08 17:08

2026/03/28 15:32

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2026/03/24 17:48

2026/03/23 10:49

2026/03/20 12:34

2026/03/18 14:08

2026/03/17 09:06

2026/03/17 03:30

2026/03/16 15:18

2026/03/09 13:59

2026/03/09 11:29

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2026/03/08 03:54

2026/03/07 23:48

2026/03/07 14:40

2026/03/07 12:09

2026/03/07 10:02

Rows:

descriptionsolveswriteups