CTF Time

Name: SOLAR CTF 2026 (an SOLAR CTF event.)
Date: Oct. 17, 2026, 9 a.m. — 18 Oct. 2026, 09:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://solarctf.ru/
Rating weight: 0
Event organizers: SOLARCTF

Name: GaianSpace CTF 2026 (an GaianSpace CTF event.)
Date: Oct. 10, 2026, 9 p.m. — 14 Oct. 2026, 21:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://gaian.space/ctf
Rating weight: 0
Event organizers: GaianSpace

Name: FortID CTF 2026 (an TBTL CTF event.)
Date: Oct. 9, 2026, 6 p.m. — 11 Oct. 2026, 18:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.fortid.com/
Rating weight: 45.00
Event organizers: TBTL

Name: FooBar CTF 2026 (an FooBarCTF event.)
Date: Oct. 10, 2026, 6:30 a.m. — 11 Oct. 2026, 06:30 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://foobarctf.arhn.in/
Rating weight: 25.00
Event organizers: Alchemists of Kernel

Name: KubSTU CTF 2026: Autumn (an KubSTU CTF event.)
Date: Oct. 10, 2026, 7 a.m. — 11 Oct. 2026, 13:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://kubstu-ctf.ru/
Rating weight: 0.00
Event organizers: Capybaras

Name: kBxAc CTF 2026 (an kBxAc CTF event.)
Date: Oct. 9, 2026, 6:30 p.m. — 10 Oct. 2026, 18:30 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.kbxac.xyz/
Rating weight: 24.75
Event organizers: kBxAc

Name: Cryovault 2026 Quals (an ISFCR PESU CTF event.)
Date: Oct. 10, 2026, 4:30 a.m. — 11 Oct. 2026, 04:30 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: Online
Offical URL: https://isfcrpesu.ctfd.io/
Rating weight: 25.00
Event organizers: x6e.x65.x78.x75.x73

Name: Narxoz CTF (an Narxoz CTF event.)
Date: Oct. 10, 2026, 10 a.m. — 10 Oct. 2026, 18:00 UTC  [add to calendar]
Format: Hack quest
On-site
Location: Almaty, Kazakhstan
Offical URL: https://narxploit.narxoz.kz/register.html
Rating weight: 0.00
Event organizers: NarXploit

Name: ByteMe CTF 26 (an ByteMe CTF event.)
Date: Oct. 9, 2026, 4:30 a.m. — 09 Oct. 2026, 12:30 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: Pune, India
Offical URL: https://bytemectf.owasppccoe.in/
Rating weight: 0
Event organizers: OWASP_PCCOE-CORE

Name: Hacker's Gambit 2026 (Round 1 – Online Qualifier) (an Hacker's Gambit event.)
Date: Oct. 2, 2026, 6:30 a.m. — 04 Oct. 2026, 06:30 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://unstop.com/p/hackers-gambit-2026-jaihind-college-of-engineering-kuran-1723293
Rating weight: 0.00
Event organizers: JCOE Cyber Sentinels

Name: Lun4R CTF Final (an Lun4R CTF event.)
Date: Oct. 3, 2026, 5:30 a.m. — 04 Oct. 2026, 05:30 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Thiruvananthapuram, India
Offical URL: https://ctf.rootriet.in/
Rating weight: 0.00
Event organizers: Root Riet

Name: CubeCTF 2026 (an CubeCTF event.)
Date: Oct. 3, 2026, 2 p.m. — 03 Oct. 2026, 22:00 UTC  [add to calendar]
Format: Attack-Defense
On-line
Offical URL: https://cubectf.com/
Rating weight: 24.71
Event organizers: CubeMastery

Name: CDCTF 2026 (an CDCTF event.)
Date: Oct. 3, 2026, 3 p.m. — 04 Oct. 2026, 03:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://crimsondefense.org/cdctf/
Rating weight: 25.00
Event organizers: Crimson Defense

Name: AltayCTF 2026 (an AltayCTF event.)
Date: Oct. 4, 2026, 3 a.m. — 04 Oct. 2026, 12:00 UTC  [add to calendar]
Format: Attack-Defense
On-site
Location: Russia, Barnaul
Offical URL: https://university.altayctf.ru/2026
Rating weight: 0
Event organizers: SharLike

Name: CSS CTF 2026: Return of Nexus (an CSS CTF event.)
Date: Sept. 30, 2026, 6 a.m. — 01 Oct. 2026, 22:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.cybersecurity.sydney/
Rating weight: 23.89
Event organizers: suɐǝpodᴉʇuɐ

Name: SunshineCTF 2026 (an SunshineCTF event.)
Date: Sept. 26, 2026, 2 p.m. — 28 Sept. 2026, 14:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://sunshinectf.org/
Rating weight: 51.63
Event organizers: Knightsec

Name: SCAN 2026 Final (an SCAN Digital Asset Tracing Challenge event.)
Date: Sept. 28, 2026, 1 a.m. — 28 Sept. 2026, 08:00 UTC  [add to calendar]
Format: Jeopardy
On-site
Location: Seoul, Korea
Offical URL: https://scan.sx/
Rating weight: 0.00
Event organizers: D Asset Inc.

Name: FlightPath2026 (an FlightPath event.)
Date: Sept. 25, 2026, 1:30 p.m. — 27 Sept. 2026, 21:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Location: USA only
Offical URL: http://setyourvector.org/
Rating weight: 0
Event organizers: ĀYŌDÈ

Name: BCS CTF 2026 (an BCS CTF event.)
Date: Sept. 25, 2026, 2 p.m. — 27 Sept. 2026, 14:00 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://ctf.bcsictfest.com/
Rating weight: 23.33
Event organizers: bdhxgrp

Name: H7CTF 2026 Quals (an H7CTF event.)
Date: Sept. 26, 2026, 3:30 a.m. — 27 Sept. 2026, 15:30 UTC  [add to calendar]
Format: Jeopardy
On-line
Offical URL: https://2026.h7tex.com/
Rating weight: 27.49
Event organizers: H7Tex