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Infinite Stamina Bug/Exploit

BugDesyncPerformanceServerClient
1

State

Confirmed internally
Issue key
DZG-234
Access
Public
Space
DayZ
Project
Stable Feedback
Creator
gavin_golden_gloves
Created
Aug 5, 2026
Views
175
Platform
PC Steam
What happened?

There is a bug inside of DayZ that allows players to give themselves potentially infinite stamina depending on their stability to the server they are on. This can be done either on purpose or by accident. This issue is present on all official and community servers.

  • Players can jitter their connection to the server and bypass updates sent to the client regarding their stamina usage.

  • The lower the connection to the server, the higher the probability of stamina not being calculated correctly on a tick by tick basis.

  • Players with a bad connection can have their stamina incorrectly calculated whether on purpose or not.

This can nullify the design choices of your ongoing map Nasdara by allowing players to freely roam difficult open ground, traverse cities without hindrance when vaulting objects, and give them a greater ability to kill the new infected being introduced with melee.


This bug was introduced in 1.20/1.21 when server owners were given the ability to change how much stamina each player action uses.


This bug has not been widely reported since regular players cannot track another persons stamina. Players who experience this stamina bug themselves can only benefit from it and do not notice it happening.

Reproduction steps

This bug constantly happens,, whether exploited or not.


  1. Create a bad connection between client and server

  2. Perform any action that uses stamina. Heavy attacks and jumping are the easiest to spot since it uses a large amount of stamina

  3. Depending on how well data is sent, you will experience no stamina usage

  4. (OPTIONAL): Consistently jitter your connection to the server without being disconnected. Given the right packets are not sent/received, no stamina will be used.

VIDEO EXAMPLES

Personal Example:

https://www.youtube.com/watch?v=mM09KRigU2Q


Example from Dev Stream:

https://www.youtube.com/watch?v=mM09KRigU2Q

Exact build version (optional)
1.29 (stable)
Where did it happen?
Official
Is it modded?
No
Expected result

No stamina will be used depending on the action based on your connection to the server.

Reactions

Activity

    about 2 months ago
  • gavin_golden_gloves
    created issueabout 2 months ago
  • l909
    changed state to
    AWAITING INTERNAL TESTING
    about 1 month ago
  • l909
    changed state to
    CONFIRMED INTERNALLY
    about 1 month ago

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State

Confirmed internally
Issue key
DZG-234
Access
Public
Space
DayZ
Project
Stable Feedback
Creator
gavin_golden_gloves
Created
Aug 5, 2026
Views
175