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Critical CVSS 9.1

CVE-2026-37637

An issue in Alexantr filemanager v.1.0 allows a remote attacker to execute arbitrary code via the filemanager.php component

What this means

Exposure
Exploitable remotely over the network, without authentication and with no action from the victim.
Impact
An attacker can read sensitive data and modify or destroy data.
Weakness
The application interprets attacker-supplied code, which then runs with its privileges.
Likelihood
Its EPSS score stays low: nothing points to imminent exploitation, which is no reason to leave it unpatched.

What to doPatch without waiting for the next scheduled cycle. Start with the instances exposed to the internet.

Read automatically from the CVSS vector, the weakness type (CWE) and the EPSS score. The technical description above remains the one published by NIST.

Published
29 June 2026
CVSS
9.1 (v3.1) CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
0.47% probability of exploitation within 30 days · above 38% of all CVEs
Weakness
CWE-94
Sources
nvd
References

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