4.5
MEDIUM CVSS 3.1
CVE-2026-50590
Mimecast Incydr Arbitrary File Access
Description

In Mimecast Incydr before 2.6.0, arbitrary file access can occur.

INFO

Published Date :

June 5, 2026, 2:17 a.m.

Last Modified :

June 5, 2026, 2:17 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-50590 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 8254265b-2729-46b6-b9e3-3dfca2d5bfca
CVSS 3.1 MEDIUM [email protected]
Solution
Update Mimecast Incydr to version 2.6.0 or later to fix arbitrary file access.
  • Update Mimecast Incydr to version 2.6.0 or later.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-50590.

URL Resource
https://mimecastsupport.zendesk.com/hc/en-us/articles/42665910976659-Insider-risk-agent-release-notes#h_01JVT9C0KZWRTATSB2TFFS4Q51
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-50590 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-50590 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-50590 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Jun. 05, 2026

    Action Type Old Value New Value
    Added Description In Mimecast Incydr before 2.6.0, arbitrary file access can occur.
    Added CVSS V3.1 AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
    Added CWE CWE-732
    Added Reference https://mimecastsupport.zendesk.com/hc/en-us/articles/42665910976659-Insider-risk-agent-release-notes#h_01JVT9C0KZWRTATSB2TFFS4Q51
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.