CVE-2026-4639

Received Received - Intake

Incorrect Authorization in Vitals ESP Enables Privilege Escalation

Publication date: 2026-03-24

Last updated on: 2026-04-15

Assigner: TWCERT/CC

Description

Vitals ESP developed by Galaxy Software Services has a Incorrect Authorization vulnerability, allowing authenticated remote attackers to perform certain administrative functions, thereby escalating privileges.

CVSS Scores

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Meta Information

Published

2026-03-24

Last Modified

2026-04-15

Generated

2026-07-06

AI Q&A

2026-03-24

EPSS Evaluated

2026-07-05

NVD

CVE-2026-4639

EUVD

EUVD-2026-14740

Affected Vendors & Products

Vendor	Product	Version / Range
gss	vitalsesp	to 6.3 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-863	The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

Executive Summary

CVE-2026-4639 is an Incorrect Authorization vulnerability in Vitals ESP versions 6.3 and earlier developed by Galaxy Software Services.

This vulnerability allows authenticated remote attackers with low privileges to perform certain administrative functions without needing additional user interaction.

As a result, these attackers can escalate their privileges within the system.

Impact Analysis

The vulnerability can lead to significant impacts including high loss of confidentiality, integrity, and availability.

An authenticated attacker can escalate privileges and perform administrative functions.
This can compromise sensitive data (confidentiality).
It can also affect the integrity of the system by allowing unauthorized changes.
Availability can be impacted if administrative functions are misused.

Compliance Impact

I don't know

Detection Guidance

I don't know

Mitigation Strategies

The recommended immediate step to mitigate the CVE-2026-4639 vulnerability is to contact the vendor to obtain patches that address this incorrect authorization issue.

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