Vulnerability · Published Aug 25, 2026 · Assigned by VulnCheck
CVE-2026-34968Adminer before 5.4.3 Arbitrary File Deletion via SQLite Drop
High 8.1
In plain English
A high-severity path traversal in adminer from vrana. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.5%top 55.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | adminer | no fix listed | DEBIAN-CVE-2026-34968 |
| Debian:13 | adminer | no fix listed | DEBIAN-CVE-2026-34968 |
| Debian:14 | adminer | 5.4.3+dfsg-1 | DEBIAN-CVE-2026-34968 |
| Ubuntu:22.04:LTS | adminer | no fix listed | UBUNTU-CVE-2026-34968 |
| Ubuntu:24.04:LTS | adminer | no fix listed | UBUNTU-CVE-2026-34968 |
| Ubuntu:26.04:LTS | adminer | no fix listed | UBUNTU-CVE-2026-34968 |
Affected products (as reported)
Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
References
- GitHub Security Advisory (GHSA-6pg3-chwq-wgqc) vendor-advisory
- VulnCheck Advisory: Adminer before 5.4.3 Arbitrary File Deletion via SQLite Drop third-party-advisory