CVE catalog
CVE-2026-56703
Adminer before 5.4.3 contains a remote code execution vulnerability in SQLite query handling where VACUUM INTO is not blocked despite ATTACH restrictions. Authenticated attackers can execute VACUUM IN
- Severity
- High · CVSS 8.6
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
- 1.17% · Oct 25, 2026
Adminer before 5.4.3 contains a remote code execution vulnerability in SQLite query handling where VACUUM INTO is not blocked despite ATTACH restrictions. Authenticated attackers can execute VACUUM INTO to write PHP code to arbitrary file paths and execute commands on the server.
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-2026-56703]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-56703]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-56703]
- [https://security-tracker.debian.org/tracker/CVE-2026-56703]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database]