CVE catalog
CVE-2026-56705
Adminer before 5.4.3 fails to sanitize the server field before constructing a PDO DSN string, allowing unauthenticated attackers to inject ODBC parameters via semicolons. Attackers can inject TraceFil
- Severity
- Critical · CVSS 9.3
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.90% · Oct 25, 2026
Adminer before 5.4.3 fails to sanitize the server field before constructing a PDO DSN string, allowing unauthenticated attackers to inject ODBC parameters via semicolons. Attackers can inject TraceFile and TraceOn parameters to write PHP code to the web root, achieving remote code execution when the trace file is accessed.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | adminer | sid | 6.1.2-1 | fixed |
| Debian | adminer | forky | 6.1.0-1 | fixed |
| Debian | adminer | trixie | 5.2.1+dfsg-1 | vulnerable |
| Debian | adminer | bookworm | 4.8.1-1 | vulnerable |
| Ubuntu | adminer | pro | 4.7.2-1 | vulnerable |
| Ubuntu | adminer | pro | 4.7.4-1 | vulnerable |
| Ubuntu | adminer | pro | 4.7.5-1 | vulnerable |
| Ubuntu | adminer | pro | 4.7.6-1 | vulnerable |
| Ubuntu | adminer | pro | 4.7.6-1ubuntu0.1~esm1 | vulnerable |
| Ubuntu | adminer | 22.04 | 4.7.9-2 | vulnerable |
| Ubuntu | adminer | 22.04 | 4.8.1-1 | vulnerable |
| Ubuntu | adminer | 24.04 | 4.8.1-1 | vulnerable |
| Ubuntu | adminer | 24.04 | 4.8.1-1ubuntu1 | vulnerable |
| Ubuntu | adminer | 24.04 | 4.8.1-2 | vulnerable |
| Ubuntu | adminer | 26.04 | 5.2.1+dfsg-1 | vulnerable |
| Ubuntu | adminer | 26.04 | 5.3.0+dfsg-1 | vulnerable |
| Ubuntu | adminer | 26.04 | 5.4.0+dfsg-1 | vulnerable |
| Ubuntu | adminer | 26.04 | 5.4.1+dfsg-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | adminer | source | sid | 5.4.3+dfsg-1 | not yet assigned | Not reported | Not reported |
| Debian | adminer | source | forky | 5.4.3+dfsg-1 | not yet assigned | Not reported | Not reported |
| Debian | adminer | source | trixie | (unfixed) | not yet assigned | Not reported | Not reported |
| Debian | adminer | source | bookworm | (unfixed) | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [adminer]Affected
Details (2)
4.8.1-1· all · bookwormAffected
nvd · adminer · debian · bookworm; nvd · adminer · debian · 12
4.8.1-1· all · bookwormAffected
nvd · adminer · debian · bookworm; nvd · adminer · debian · 12
[Debian 13 (Trixie)]
- [adminer]Affected
Details (2)
5.2.1+dfsg-1· all · trixieAffected
nvd · adminer · debian · 13
5.2.1+dfsg-1· all · trixieAffected
nvd · adminer · debian · 13
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-56705]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-56705]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-56705]
- [https://security-tracker.debian.org/tracker/CVE-2026-56705]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]