Hack.lu CTF 2026
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Challenges

35 challenges in 6 categories
TypeKeySummaryStatusLabelsPointsSolves
AD-13
M&A
Open
9477
AD-16
Technical Debt
Open
14138
CRYPTO-10
LinkedInspirator
Open
73137
CRYPTO-14
Lauschangriff
Open
73135
MISC-2
kurl
Open
kubernetes
70156
MISC-3
CEOnnect Four
Open
pwn
10167
MISC-6
uushell
Open
9772
MISC-8
doppelflip
Open
10364
MISC-15
nodejailjailjail
Open
25315
MISC-21
Singlepane
Open
13740
MISC-22
Challenge Deployment
Open
kubernetes
75124
MISC-26
John
Open
pwn
15234
MISC-29
Remote DJ
Open
8691
MISC-33
UNRㅌㅌL
Open
cryptopwnrev+1
13541
MISC-35
Challenge Deployment 2
Open
kubernetes
9084
MISC-36
UNRㅌㅌL (repair)
Open
cryptopwnrev+1
23517
PWN-9
turbo-malloc
Open
beginner-friendly
71149
PWN-17
Declassifier
Open
beginner-friendly
71149
PWN-18
Xtensable Echoserver
Open
10562
PWN-19
CHIP
Open
misc
78114
PWN-23
agileKV
Open
15234
PWN-32
v67
Open
79110
PWN-34
Nuclear
Open
zajebiste
14636
REV-25
VeryMildHidden
Open
beginner-friendly
62244
REV-31
LIcense Validation Suite
Open
beginner-friendly
62229
REV-7
Every 7x7 Nonoflag
Open
73134
REV-11
IL2FLAG
Open
75128
REV-20
Vaulty
Open
crypto
70151
REV-28
Selene.Protocol.v1.1-LNR
Open
75124
REV-30
flag_check_appliance_v2_FINAL.raw
Open
71144
WEB-1
talk to the locals
Open
11950
WEB-4
Postbox
Open
13740
WEB-5
Widgetboard
Open
28612
WEB-24
what a great week to host a ctf
Open
20721
WEB-27
how2database
Open
18126