Is CVE-2026-23636 actively exploited?

CVE-2026-23636 has no public evidence of in-the-wild exploitation as of 2026-03-27.

What is the CVSS score for CVE-2026-23636?

CVE-2026-23636 has a CVSS score of 5.5 (MEDIUM severity). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L.

How do I patch CVE-2026-23636?

Patch guidance is available from accellion security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2026-23636.

Which products are affected by CVE-2026-23636?

1 product: accellion kiteworks.

CVE-2026-23636 - remediation guidance & executive summary

Description

Kiteworks is a private data network (PDN). In Kiteworks Secure Data Forms prior to version 9.2.1, the manager of a form could potentially exploit an Unrestricted Upload of File with Dangerous Type due to a missing validation. Upgrade Kiteworks to version 9.2.1 or later to receive a patch.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:L
Attack Vector: network
Complexity: low
Privileges: high
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: high
Availability: low
Weaknesses: CWE-434 · Unrestricted File Upload

Metadata

Primary Vendor: ACCELLION
Published: 3/25/2026
Last Modified: 3/27/2026
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2026-23636

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary