CVE-2026-34968: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in vrana adminer
Adminer versions before 5.4.3 have a vulnerability in SQLite mode where the database-list drop action does not properly validate file extensions before deleting files. This allows an authenticated attacker to provide arbitrary relative file paths via the db[] parameter to delete any files writable by the PHP process.
AI Analysis
Technical Summary
CVE-2026-34968 is a path traversal vulnerability in Adminer prior to version 5.4.3. The flaw exists in the SQLite mode's database-list drop action, which fails to validate file extensions before deletion. An attacker with authentication can exploit this by submitting crafted relative file paths in the db[] parameter, leading to arbitrary file deletion of any files writable by the PHP process running Adminer.
Potential Impact
An authenticated attacker can delete arbitrary files on the server that are writable by the PHP process. This could lead to denial of service or disruption of application functionality depending on which files are deleted. The vulnerability requires authentication and local web access to Adminer.
Mitigation Recommendations
No official patch or remediation level is currently confirmed. Users should upgrade Adminer to version 5.4.3 or later once available, as the vulnerability is described as existing in versions before 5.4.3. Until a patch is confirmed, restrict access to Adminer to trusted users only and monitor for suspicious activity. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
CVE-2026-34968: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in vrana adminer
Description
Adminer versions before 5.4.3 have a vulnerability in SQLite mode where the database-list drop action does not properly validate file extensions before deleting files. This allows an authenticated attacker to provide arbitrary relative file paths via the db[] parameter to delete any files writable by the PHP process.
CVSS v4.0
Score 7.2high
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-34968 is a path traversal vulnerability in Adminer prior to version 5.4.3. The flaw exists in the SQLite mode's database-list drop action, which fails to validate file extensions before deletion. An attacker with authentication can exploit this by submitting crafted relative file paths in the db[] parameter, leading to arbitrary file deletion of any files writable by the PHP process running Adminer.
Potential Impact
An authenticated attacker can delete arbitrary files on the server that are writable by the PHP process. This could lead to denial of service or disruption of application functionality depending on which files are deleted. The vulnerability requires authentication and local web access to Adminer.
Mitigation Recommendations
No official patch or remediation level is currently confirmed. Users should upgrade Adminer to version 5.4.3 or later once available, as the vulnerability is described as existing in versions before 5.4.3. Until a patch is confirmed, restrict access to Adminer to trusted users only and monitor for suspicious activity. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-03-31T17:58:43.754Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8cf578acd9273b4984284e
Added to database: 08/25/2026, 01:52:56 UTC
Last enriched: 08/25/2026, 02:22:11 UTC
Last updated: 08/25/2026, 02:57:08 UTC
Views: 4
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