CTF Time

Name: UralCUP 2026 // Quals (an UralCUP event.)
Date: May 17, 2026, 5 a.m. — 17 May 2026, 13:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: Russia
Offical URL: https://uralctf.org/
Rating weight: 0
Event organizers: TyumGUard

Name: NDIAS Automotive/IoT CTF (an NDIAS Automotive/IoT CTF event.)
Date: May 15, 2026, 9 a.m. — 17 May 2026, 09:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.ndias.jp/
Rating weight: 25.00
Event organizers: cartagaitai

Name: DaVinciCTF 2026 (an DaVinciCTF event.)
Date: May 16, 2026, 8 a.m. — 16 May 2026, 17:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://dvc.tf/
Rating weight: 32.59
Event organizers: DaVinciCode

Name: RAMunchers CTF (an RAMunchers CTF event.)
Date: May 10, 2026, 8 a.m. — 13 May 2026, 15:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.ramunchers.com/
Rating weight: 23.30
Event organizers: R0073R5

Name: Midnight Sun CTF 2026 Quals (an Midnight Sun CTF event.)
Date: May 10, 2026, 1 p.m. — 11 May 2026, 13:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://play.midnightsunctf.com/
Rating weight: 48.17
Event organizers: HackingForSoju

Name: PHONIX VIPER NOVA CTF#2 (an PH03N1X V1P3R N0V4 CTF event.)
Date: May 8, 2026, 10 a.m. — 10 May 2026, 17:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Romania, Bucharest
Offical URL: http://pwnctf.ro/
Rating weight: 0.00
Event organizers: PH03N1X V1P3R N0V4 CTF

Name: Azure Assassin Alliance CTF 2026 (an Azure Assassin Alliance CTF event.)
Date: May 10, 2026, 1 a.m. — 11 May 2026, 01:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://actf2026.xctf.org.cn/
Rating weight: 45.60
Event organizers: 欸欸欸

Name: Break The Syntax CTF 2026 (an Break the Syntax CTF event.)
Date: May 8, 2026, 4 p.m. — 10 May 2026, 10:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: Wrocław, Poland
Offical URL: https://bts2026.wh.edu.pl/
Rating weight: 56.25
Event organizers: PWr Synt@x Err0r

Name: plfanzen CFT 2026 (an plfanzen CFT event.)
Date: May 8, 2026, 4 p.m. — 10 May 2026, 12:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://plfanzen.lol/
Rating weight: 25.00
Event organizers: plfanzen

Name: From Dusk Till Dawn Quals (an VettoCon event.)
Date: May 9, 2026, 9 a.m. — 10 May 2026, 09:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://till-dawn.fibonhack.it/
Rating weight: 20.14
Event organizers: fibonhack

Name: CyberGame 2026 (an CyberGame event.)
Date: Feb. 28, 2026, 11 p.m. — 09 May 2026, 21:59 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://cybergame.sk/
Rating weight: 0
Event organizers: SK-CERT

Name: BKISC CTF 2026 (an BKISC CTF event.)
Date: May 9, 2026, 1 a.m. — 10 May 2026, 01:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.bkisc.com/
Rating weight: 25.00
Event organizers: BK-ISC

Name: Maltego Community OSINT CTF (an Maltego Community OSINT CTF event.)
Date: May 9, 2026, 2 p.m. — 09 May 2026, 15:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://maltego.ctfd.io/
Rating weight: 25.00
Event organizers: Maltego OSINT

Name: Hack2Dawn 2026 (an Hack2Dawn CTF event.)
Date: May 9, 2026, 7 p.m. — 10 May 2026, 02:00 UTC  [add to calendar]
Format: Hack quest
On-site
Location: México, Guadalajara
Offical URL: https://events.mlh.io/events/14208-hack2dawn
Rating weight: 0.00
Event organizers: PawnGuard

Name: THCon 2K26 CTF (an THCon CTF event.)
Date: May 7, 2026, 11 a.m. — 08 May 2026, 11:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://thcon.party/
Rating weight: 34.67
Event organizers: pony7

Name: RAZER CTF 2026 (an Razer CTF event.)
Date: May 5, 2026, 6:30 a.m. — 06 May 2026, 06:30 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: India
Offical URL: http://ctf.droidecks.sbs/
Rating weight: 0.00
Event organizers: Droidex

Name: THEM?!CTF 2026 (an THEM?!CTF event.)
Date: May 29, 2026, 6 p.m. — 31 May 2026, 18:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://themctf.com/
Rating weight: 25.00
Event organizers: THEM?

Name: UniVsThreats 26 Finals CTF (an UniVsThreats CTF event.)
Date: May 2, 2026, 8 a.m. — 03 May 2026, 15:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Timisoara, Romania

Rating weight: 25.00
Event organizers: UVT-CTF

Name: MCTF 5.0 (an MCTF event.)
Date: April 30, 2026, 7 p.m. — 02 May 2026, 07:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Algeria, Algiers
Offical URL: https://mctf.microclub.info/
Rating weight: 0.00
Event organizers: Micro Club

Name: KubSTU CTF (an KubSTU CTF event.)
Date: May 1, 2026, 7 a.m. — 02 May 2026, 19:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://kubstu-ctf.ru/
Rating weight: 24.83
Event organizers: Capybaras