Bug 516059

Summary:	Ark can not open archives that are protected by an empty password
Product:	[Applications] ark	Reporter:	maud-lin
Component:	general	Assignee:	Elvis Angelaccio <elvis.angelaccio>
Status:	CONFIRMED ---
Severity:	minor	CC:	olib141, rthomsen6
Priority:	NOR
Version First Reported In:	25.12.2
Target Milestone:	---
Platform:	Arch Linux
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:
Sentry Crash Report:

Description maud-lin 2026-02-15 22:06:22 UTC

SUMMARY

I have a .7z file that is protected with an empty password.
Ark does a) not allow to enter a empty password and b) even if patched and an empty password is given, ark can not open the archive successfully

STEPS TO REPRODUCE
1. Create a archive.7z thats protected with an empty password by running:
   echo "" | 7z a -p -mhe=on "archive.7z" file.txt 
2a. Open the 7z archive with ark. Get prompted for a password (You can not submit an empty password)
2b. Patch Ark by reverting this commit: https://invent.kde.org/utilities/ark/-/commit/5bf3b5addbd171ae7e67983ee62e40601351b975 and try again.

OBSERVED RESULT
Ark does not open the archive successfully.

EXPECTED RESULT
Ark should open the file and shows the contents of the archive

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 6.18.9-arch1-2
Qt Version: 6.10.2-1

ADDITIONAL INFORMATION

Comment 1 Oliver Beard 2026-02-16 13:52:32 UTC

Can reproduce with the given command, Arch package '7zip' providing the 7z binary.