event 2027-02-01EcublensOrganiser announced the CFP open on 1 June 2026 and a call for workshops running 1 May to 23 August 2026, but published no closing date for the talk call on the page fetched. Recorded as unknown rather than open, because open requires a date a reader can act on.

check →

?soon

OWASP Global AppSec EU 2027

event 2027-06-21ViennaThe 2026 Vienna edition ran its call on Sessionize from 17 November 2025 to 3 February 2026; expect the same shape and rough window for 2027. Nothing published yet.

##Techdex

##TechdexSecurity

5 open calls for papers.

Sorted by what closes first, not by when the event is. A conference next March with a call closing on Friday is the urgent one.

Closes first2days leftDatenspuren 20262026-08-15 · 5 open in total

Closing this week

1Submit today or accept you have missed it.

2days

Datenspuren 2026

closes 2026-08-15·18–20 Sep in Dresden, Germany·In person·via pretalx

submit

Closing within a month

18days

RomHack Camp 2026

closes 2026-08-31·2–4 Oct in Rome, Italy·In person·via pretalx

submit

24days

BSides Lisbon 2026

closes 2026-09-06·29–30 Oct in Lisbon, Portugal·In person·via pretalx

submit

Open, closing later

34days

Oh My Hack 2026

closes 2026-09-16·2 Dec in Warsaw, Poland·In person·via own

submit

46days

Nights of open Knowledge 2026

closes 2026-09-28·20–21 Nov in Lübeck, Germany·In person·via own

submit

Call exists, date not established

13Listed rather than hidden — an unresolved deadline is still actionable.

?unknown

Håck ma's Castle 2026

event 2026-08-27OttenschlagSelf-organised programme; no call published on the calendar entry. hack-mas.at not fetched this run.

?unknown

InselChaos 2026

event 2026-09-04Bergen auf Rügeninselchaos.de not fetched this run; no call published on the calendar entry.

?unknown

German OWASP Day 2026

event 2026-09-23KarlsruheNo call state published on the owasp.org events listing; god.owasp.de not fetched this run.

?unknown

OWASP AppSec Days Portugal 2026

event 2026-09-23LisbonNo call state published on the owasp.org events listing; appsecdays.pt was not reachable through the fetch tool this run.

?unknown

OWASP AppSec Days France 2026

event 2026-09-24ParisNo call state published on the owasp.org events listing; owaspappsecdays.fr not fetched this run.

?unknown

Mega-Knowledgecamp 2026

event 2026-09-25Saarbrückenmegakc.hacksaar.de not fetched this run.

?unknown

Quellc0d3 2026

event 2026-09-25Nürnbergquellcode.0x90.space not fetched this run.

?unknown

Digital Independence Days 2026

event 2026-10-02HamburgOrganisers invited participation in the July announcement but published no closing date. didays.de not fetched this run.

check →

?unknown

Interfug 2026

event 2026-10-09Chemnitzinterfug.de not fetched this run.

?unknown

Black Alps 2026

event 2026-11-05Yverdon-les-BainsNo call state published on the 2026 conference page fetched this run.

?soon

40C3 — 40th Chaos Communication Congress

event 2026-12-27HamburgCongress calls typically open in the autumn; nothing published on events.ccc.de as of this run.

?unknown

Insomni'hack 2027

check →

?soon

OWASP Global AppSec EU 2027

event 2027-06-21ViennaThe 2026 Vienna edition ran its call on Sessionize from 17 November 2025 to 3 February 2026; expect the same shape and rough window for 2027. Nothing published yet.