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CVE-2026-102125

Accellion Kiteworks vulnerability

8.8 HIGHEPSS 0.13%
  1. Published30 Sept 2026

Description

The sandbox that isolates document conversion on a Kiteworks appliance did not fully confine the code running inside it. Code already executing within that sandbox could potentially escape its confinement and act with the privileges of the service account that runs the application, which could allow an attacker in that position to read or modify application data and configuration, or to disrupt the service on the affected appliance.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

Accellion Kiteworks< 9.5.0

Remediation

Fixed in
Accellion Kiteworks≥ 9.5.0

References

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Frequently asked

Is CVE-2026-102125 being actively exploited?

CVE-2026-102125 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.13%.

How severe is CVE-2026-102125?

CVE-2026-102125 has a CVSS 3.1 base score of 8.8, rated high. EPSS estimates a 0.13% probability of exploitation.

Which products are affected by CVE-2026-102125?

Affected products include Accellion Kiteworks.

How do I fix CVE-2026-102125?

Upgrade affected software to a fixed version, for example Accellion Kiteworks 9.5.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-102125 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.