JWT - Unsecure Key Handling

35 Points

JSON Web Key

Author

Nishacid, Mika, 23 February 2023

Level

Validations

962 Challengers 1%

Note

74 Votes

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5 Solutions

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Challenge Results

Pseudo	Challenge	Lang	Date
abdel	JWT - Unsecure Key Handling		14 August 2025 at 23:39
Watix	JWT - Unsecure Key Handling		14 August 2025 at 13:03
Serkan	JWT - Unsecure Key Handling		14 August 2025 at 00:33
babayaga0x01	JWT - Unsecure Key Handling		12 August 2025 at 14:17
Corpse	JWT - Unsecure Key Handling		11 August 2025 at 16:40
Bnyt	JWT - Unsecure Key Handling		10 August 2025 at 19:29
elicopter770	JWT - Unsecure Key Handling		9 August 2025 at 23:14
22sh	JWT - Unsecure Key Handling		8 August 2025 at 09:51
mika	JWT - Unsecure Key Handling		5 August 2025 at 13:51
3akev	JWT - Unsecure Key Handling		3 August 2025 at 16:12

97 Challenges

Results	Name	Validations	Number of points	Difficulty	Author	Note ↓↑	Solution	Date
	Java - Custom gadget deserialization	1% 253	50		Elweth		0	28 December 2023
	Yaml - Deserialization	1% 1555	35		Nishacid		2	20 April 2021
	Flask - Unsecure session	1% 3269	20		Sanlokii		1	29 November 2023
	NodeJS - vm escape	1% 819	50		Podalirius		1	15 April 2021
	Node - Eval	1% 3167	30		Mhd_Root		7	24 February 2021
	NoSQL injection - Blind	1% 3190	45		ghozt		6	26 November 2016
	Python - Server-side Template Injection Introduction	2% 5071	25		Podalirius		7	7 September 2021
	Java - Server-side Template Injection	4% 11171	30		righettod		6	29 November 2015
	JWT - Introduction	5% 18386	20		Kn0wledge		5	21 August 2019
	PHP - Unserialize Pop Chain	1% 781	55		Worty		2	22 October 2021
	PHP - Loose Comparison	3% 7580	30		ghozt		4	10 January 2018
	Python - dotenv	1% 130	70		jrjgjk		1	27 September 2024
	JWT - Header Injection	1% 1451	30		Nishacid , Mika		2	23 February 2023
	PHP - Filters	6% 20382	25		g0uZ		3	27 February 2011
	XPath injection - String	2% 4086	40		g0uZ		5	26 May 2013
	XPath injection - Authentication	2% 6866	35		g0uZ		6	27 December 2012
	SQL injection - Numeric	5% 15788	35		g0uZ		7	24 December 2012
	File upload - MIME type	8% 29171	20		g0uZ		10	26 December 2012
	Python - Blind SSTI Filters Bypass	1% 738	75		Podalirius		5	7 September 2021
	SQL injection - String	7% 22776	30		g0uZ		10	24 December 2012
	PHP - preg_replace()	3% 9389	30		sambecks		4	2 March 2016
	File upload - ZIP	3% 10079	30		ghozt		3	3 August 2017
	XPath injection - Blind	1% 2479	75		g0uZ		5	27 December 2012
	SQL injection - Authentication	13% 47840	30		g0uZ		11	27 February 2011
	JWT - Weak secret	4% 12794	25		Jrmbt		7	21 August 2019
	Local File Inclusion	8% 26379	30		g0uZ		4	2 October 2011
	HTML - Source code	48% 175641	5		g0uZ		6	3 October 2006
	File upload - Double extensions	10% 36156	20		g0uZ		10	24 December 2012
	API - Mass Assignment	2% 3734	20		Nishacid , Mika		2	18 January 2024
	HTTP - Verb tampering	13% 47852	15		g0uZ		10	3 February 2011
	Insecure Code Management	4% 14456	20		Swissky		6	29 September 2019
	PHP - Command injection	19% 69435	10		sambecks		10	20 September 2017
	LDAP injection - Authentication	3% 10747	35		g0uZ		8	26 May 2013
	PHP - Eval - Advanced filters bypass	1% 679	40		Podalirius		2	8 July 2022
	XSS - Server Side	1% 3250	20		Elf		4	23 June 2023
	Remote File Inclusion	4% 12256	30		g0uZ		8	25 November 2015
	SQL injection - Blind	3% 8039	50		g0uZ		6	27 February 2011
	Local File Inclusion - Wrappers	2% 3851	40		sambecks		4	2 March 2016
	Directory traversal	10% 36584	25		g0uZ		3	31 July 2011
	HTTP - POST	14% 51479	15		Th1b4ud		10	14 August 2018
	HTTP - Improper redirect	12% 44040	15		Arod		10	26 November 2014
	GraphQL - Mutation	1% 1669	40		CanardMandarin		2	20 October 2020
	SQL injection - Error	3% 8360	40		sambecks		5	4 March 2015
	PHP - type juggling	3% 9171	30		vic		4	10 March 2016
	Ruby on Rails - ransack	1% 52	30		koma		0	23 June 2025
	HTTP - Cookies	13% 47135	20		g0uZ		8	7 October 2006
	NoSQL injection - Authentication	3% 8034	35		mastho		8	31 May 2015
	PHP - Serialization	2% 6995	35		Arod		3	3 February 2014
	Node - Serialize	1% 1416	35		Mhd_Root		2	24 February 2021
	HTTP - Directory indexing	22% 79758	15		g0uZ		7	7 October 2006
	Nginx - Alias Misconfiguration	1% 3359	15		.Yo0x		3	27 September 2024
	XML External Entity	2% 5885	35		sambecks		2	20 October 2014
	Local File Inclusion - Double encoding	4% 13362	30		zM_		4	13 June 2016
	LDAP injection - Blind	1% 3595	55		g0uZ		2	8 June 2013
	PHP - assert()	5% 16083	25		Birdy42		10	26 November 2016
	PHP - Eval	2% 3821	40		chmod		10	8 November 2018
	SQL Truncation	2% 7067	35		Geluchat		2	1 May 2015
	HTTP - IP restriction bypass	9% 31928	10		Cyrhades		8	23 March 2021
	PHP - Unserialize overflow	1% 823	55		mayfly		2	4 April 2020
	File upload - Null byte	7% 24827	25		g0uZ		4	26 December 2012
	SQL injection - Time based	2% 6074	45		ycam		4	11 September 2015
	SQL injection - File reading	2% 6160	40		Arod		3	19 October 2014
	SQL injection - Insert	1% 3330	40		sambecks		4	23 February 2015
	PHP - register globals	5% 16394	25		g0uZ		2	8 October 2011
	JWT - Unsecure File Signature	1% 2686	25		Nishacid , Mika		3	23 February 2023
	SQL Injection - Routed	2% 5676	35		soka		5	24 December 2016
	Elixir - EEx	1% 393	35		lolo42		1	29 November 2023
	JWT - Unsecure Key Handling	1% 958	35		Nishacid , Mika		5	23 February 2023
	Nginx - Root Location Misconfiguration	1% 1665	15		.Yo0x		1	27 September 2024
	HTTP - Headers	16% 56532	15		Arod		9	11 January 2015
	GraphQL - Backend injection	1% 515	40		apges01		1	19 January 2023
	HTTP - Open redirect	19% 69302	10		Swissky		10	2 August 2017
	Server Side Request Forgery	1% 2015	50		sambecks		7	22 June 2018
	XSLT - Code execution	2% 3895	30		ghozt		5	16 July 2017
	Install files	13% 45179	15		g0uZ		7	7 October 2006
	GraphQL - Injection	1% 949	30		apges01		2	19 January 2023
	API - Broken Access	2% 6125	15		Nishacid , Mika		4	18 January 2024
	SQL injection - Filter bypass	1% 3119	80		sambecks		7	21 July 2014
	File upload - Polyglot	1% 536	45		Cyxo		1	8 July 2022
	Command injection - Filter bypass	3% 8021	30		sambecks		6	20 September 2017
	HTTP - User-agent	24% 86977	10		g0uZ		10	3 October 2006
	PHP - Apache configuration	1% 2770	25		erk3 , nemoz		4	8 July 2022
	Backup file	16% 55862	15		g0uZ		10	27 February 2011
	SQL Injection - Second Order	1% 272	55		k4ndar3c		1	29 November 2023
	Weak password	31% 113484	10		g0uZ		7	3 October 2006
	API - Broken Access 2	1% 652	40		Nishacid , Mika		1	18 January 2024
	Flask - Development server	1% 1233	30		Sanlokii		1	29 November 2023
	PHP - Path Truncation	2% 5630	35		Geluchat		6	25 March 2015
	JWT - Public key	2% 4164	30		Jrmbt		5	21 August 2019
	GraphQL - Introspection	2% 4291	20		apges01		4	19 January 2023
	NodeJS - Prototype Pollution Bypass	1% 612	45		Worty		1	22 October 2021
	Java - Spring Boot	1% 2431	40		dvor4x		3	24 December 2016
	Nginx - SSRF Misconfiguration	1% 395	30		.Yo0x		1	27 September 2024
	SQL injection - Authentication - GBK	3% 10294	30		dvor4x		4	2 December 2015
	CRLF	9% 32655	20		g0uZ		7	31 July 2011
	PHP - Remote Xdebug	1% 1584	25		mayfly		4	18 March 2020
	JWT - Revoked token	2% 6647	25		ArnC		6	20 March 2020