Improper Input Validation Affecting vrana/adminer package, versions >=4.6.0, <5.5.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PHP-VRANAADMINER-19428461
- published29 Aug 2026
- disclosed25 Aug 2026
- creditUnknown
Introduced: 25 Aug 2026
NewCVE-2026-34959 (opens in a new tab)How to fix?
Upgrade vrana/adminer to version 5.5.0 or higher.
Overview
vrana/adminer is a Database management in a single file.
Affected versions of this package are vulnerable to Improper Input Validation via the X-Forwarded-Prefix header. An attacker can manipulate redirect destinations, control the session cookie path attribute, and poison self-referential links by supplying a crafted absolute URL in the header.