# Kingdom Come: Deliverance studio Warhorse hit by cyberattack, company systems and data accessed · pwn.watch > Warhorse Studios, the Czech developer of the Kingdom Come: Deliverance games and part of Fellowship Entertainment, confirmed on Oct 27 2026 that it was the target of a cyberattack. The studio says the attack involved unauthorized access to company systems as well as company data. It is working with cybersecurity experts and the relevant authorities to secure its systems and assess the full impact. It has not said what data was taken, who was behind it, or whether players' data is involved. Page: https://pwn.watch/i/warhorse-studios-cyberattack-oct-2026 · generated 2026-10-28T08:54:10.908Z ## Status - Severity: medium · status: live · patch: partial - Product: Warhorse Studios company systems - Started: 2026-10-27 ## Follow this incident - RSS (one item per update): https://pwn.watch/i/warhorse-studios-cyberattack-oct-2026/feed.xml - JSON Feed: https://pwn.watch/i/warhorse-studios-cyberattack-oct-2026/feed.json - Full data (timeline, sources, posts, agentBrief): https://pwn.watch/i/warhorse-studios-cyberattack-oct-2026.json - This file: https://pwn.watch/i/warhorse-studios-cyberattack-oct-2026/llms.txt ## Updates (newest first) - 2026-10-27: Warhorse Studios confirms a cyberattack involving unauthorized access to company systems and company data, says it is working with cybersecurity experts and coordinating with the relevant authorities. (https://www.gamingonlinux.com/2026/10/kingdom-come-deliverance-developer-warhorse-studios-hit-by-cyberattack/) ## Fix brief # Security brief: Kingdom Come: Deliverance studio Warhorse hit by cyberattack, company systems and data accessed Source: https://pwn.watch/i/warhorse-studios-cyberattack-oct-2026 · status: live · severity: medium · updated Oct 28, 2026, 07:58 UTC ## Patch status **PARTIALLY PATCHED: some fixes exist, but not every affected branch/product is covered. Check carefully and apply mitigations where no fix exists.** ## What it is Warhorse Studios, the Czech developer of the Kingdom Come: Deliverance games and part of Fellowship Entertainment, confirmed on Oct 27 2026 that it was the target of a cyberattack. The studio says the attack involved unauthorized access to company systems as well as company data. It is working with cybersecurity experts and the relevant authorities to secure its systems and assess the full impact. It has not said what data was taken, who was behind it, or whether players' data is involved. Severity detail: Confirmed access to a game studio's internal systems and company data; scope, data types and attacker not disclosed yet - Product: Warhorse Studios company systems ## Affected versions - Not specified in the data. Check the advisories below. ## Check whether you're affected No generic command applies (the product is a hosted service, appliance or desktop app). Check the installed version in its admin UI / About screen and compare with the versions above. ## Fix No fixed version is listed. Follow the vendor advisory below. ## Mitigations The data marks this as partial. Until every affected component is fixed, apply the vendor mitigations from the advisories below (restrict network exposure of the affected service, disable the vulnerable feature if the advisory allows). ## Specific notes There is nothing to patch. If you are a Warhorse employee, contractor or partner, watch for phishing that uses internal details and follow the studio's own guidance. Players have not been told their data is involved; be wary of emails claiming to be from Warhorse about the incident and don't open unexpected attachments or links. ## Latest updates - Oct 27, 2026: Warhorse Studios confirms a cyberattack involving unauthorized access to company systems and company data, says it is working with cybersecurity experts and coordinating with the relevant authorities. ## Write-ups & news - [Kingdom Come: Deliverance developer Warhorse Studios hit by cyberattack](https://www.gamingonlinux.com/2026/10/kingdom-come-deliverance-developer-warhorse-studios-hit-by-cyberattack/) - [Kingdom Come: Deliverance 2 studio hit by cyberattack, CEO confirms: "This is a serious incident for Warhorse Studios and everyone affected"](https://www.gamesradar.com/games/action-rpg/kingdom-come-deliverance-2-studio-hit-by-cyberattack-ceo-confirms-this-is-a-serious-incident-for-warhorse-studios-and-everyone-affected/) - [Warhorse Studios hit by an undetailed cybersecurity incident](https://www.gamedeveloper.com/programming/warhorse-studios-hit-by-an-undetailed-cybersecurity-incident) - ['Kingdom Come: Deliverance' Studio Hit by Major Cyberattack](https://www.polygon.com/kingdom-come-deliverance-cyberattack/) ## Caveats CEO Martin Frývaldský called it "a serious incident for Warhorse Studios and everyone affected" and said the priority is to establish the full extent of the breach and protect employees, partners and the community. The studio says it is not giving interviews or further comment until it has verified information. No leak of the data had been reported as of Oct 27. --- Machine-readable: https://pwn.watch/i/warhorse-studios-cyberattack-oct-2026.json · all incidents: https://pwn.watch/incidents.json. Verify against the vendor advisory before changing production systems.