Vulnary
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Critical· 9.9

CVE-2026-9645

This vulnerability allows users with valid login credentials to run custom JavaScript code directly on a server. Because the code runs with the highest level of system authority, it can lead to a total takeover of the machine.

publishedMay 28, 2026
last modifiedJul 21, 2026
sourcesNVD
severity · cvss
9.9
critical · how bad it is
exploitation · epss
<1%
24th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Sep 4, 2026

No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.

01

Who is affected

No specific software or versions are listed in the provided data.

02

Real-world impact

An attacker with a standard user account could execute commands as the 'root' user, allowing them to steal data, modify files, or take full control of the entire system.

03

Why this severity

This is rated as critical because the vulnerability is easy to exploit remotely and provides the attacker with full administrative control over the affected system.

04

What to do about it

no official fix yet

No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.

No fix documented in sources

05

Timeline

  1. May 28, 2026 · May 28, 2026
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 21, 2026 · 14d ago
    Advisory updated
    The NVD record was last revised.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredLow
User interactionNone needed
ScopeChanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →