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OpenAdvisories
High · 8.1 CVE-2026-34968 EUVD-2026-65199GHSA-vfp8-hfj6-qmr2

Adminer before 5.4.3 Arbitrary File Deletion via SQLite Drop

Published Aug 25, 2026 · Updated Aug 25, 2026 · Assigned by VulnCheck

Description

Adminer before 5.4.3 contains an arbitrary file deletion vulnerability in SQLite mode where the database-list drop action fails to validate file extensions before deletion. An authenticated attacker can submit arbitrary relative file paths in the db[] parameter to delete any files writable by the PHP process.

Affected products

VendorProductAffectedFixed
vrana adminer < 5.4.3 5.4.3

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 adminer 5.4.3+dfsg-1 —
Debian 13 adminer No fix yet —
Debian 12 adminer No fix yet —
ReleasePackageFixed inAdvisory
Ubuntu 26.04 LTS adminer No fix yet —
Ubuntu 24.04 LTS adminer No fix yet —
Ubuntu 22.04 LTS adminer No fix yet —
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 20.04 LTS adminer No fix yet —
Ubuntu Pro 18.04 LTS adminer No fix yet —
Ubuntu Pro 16.04 LTS adminer No fix yet —

References