Is this vulnerability remotely exploitable over the network?

Yes. The issue is exploitable remotely because the vulnerable deserialization occurs on a network-accessible service, and it can be triggered by sending crafted data to the application.

Does an attacker need valid credentials to exploit this?

No. The description indicates that the flaw can be exploited without authentication, so any user with network access to the affected service endpoint could potentially attempt exploitation.

What is the safest general fix pattern for this type of bug?

The most robust fix is to remove unsafe object deserialization from network-facing paths entirely, replacing it with data-only formats and strict schema validation, or constrained deserialization configured with an explicit allow-list of safe types.

Severity:

CRITICAL RISK

(9.8)

Unsafe Deserialization (CWE-502) Leading to RCE in SolarWinds Web Help Desk

CVE-2025-40553

Published:

Jan 28, 2026

Status:

Modified

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-78

CRITICAL RISK

CRITICAL

(9.9)

Command Injection in MCP Stdio Configuration Validation (CWE-78) in WeKnora

Remote Code Execution

March 7, 2026

CWE-89

CRITICAL RISK

CRITICAL

(9.9)

SQL Injection via PostgreSQL Array/Row Expressions (CWE-89) in WeKnora Query Engine

Remote Code Execution via SQL Injection on the Database Server

March 7, 2026

Vulnerability Type

Category:

Unsafe Deserialization

CWE:

CWE-502

Impact:

Unauthenticated Remote Code Execution on the Server Host

Severity:

CRITICAL RISK

(9.8)

CVSS Version:

3.1

Vulnerability Type

Category:

Unsafe Deserialization

CWE:

CWE-502

Impact:

Unauthenticated Remote Code Execution on the Server Host

Severity:

CRITICAL RISK

(9.8)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

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Ask AI for summary of CodeAnt

Unsafe Deserialization (CWE-502) Leading to RCE in SolarWinds Web Help Desk

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

CRITICAL RISK

CRITICAL

(9.9)

Command Injection in MCP Stdio Configuration Validation (CWE-78) in WeKnora

CRITICAL RISK

CRITICAL

(9.9)

SQL Injection via PostgreSQL Array/Row Expressions (CWE-89) in WeKnora Query Engine

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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