Vulnerability · Published Apr 9, 2026 · Assigned by CERT-PL
CVE-2026-34184Missing Authorization inAlanWeb SCADA
High 8.8
In plain English
A high-severity missing authorization in AlanWeb SCADA from Control System. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).
Severity (CVSS 4.0)8.8High
Exploit odds (30 days)0.3%top 77.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
AlanWeb SCADA does not enforce authorization for some directories. This allows an unauthorized attacker to read all files in these directories and even execute some of them. Critically the attacker could run PHP scripts directly on the connected database. This issue was fixed in AlanWeb SCADA version 9.8.5
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Control System | AlanWeb SCADA | 0 – before 9.8.5 |
Weakness: CWE-862 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
References
- https://cert.pl/posts/2026/04/CVE-2026-4901/ third-party-advisory
- https://control-system.pl/ product