Severity:

HIGH RISK

(8.6)

Header Manipulation (CWE-644) in Fastify Proxy Modules

CVE-2026-33805

Published:

Apr 15, 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-284

HIGH RISK

HIGH

(8.1)

Improper Access Control (CWE-284) in Keycloak JWT Grants

Unauthorized Access and Privilege Misuse

July 15, 2026

CWE-287;CWE-290

CRITICAL RISK

CRITICAL

(9.8)

Header Login Bypass (CWE-287) in Wekan Kanban Auth

Full Account Takeover and Privilege Escalation

July 15, 2026

Vulnerability Type

Category:

Header Manipulation / Message Routing Error

CWE:

CWE-644;CWE-444

Impact:

Bypass of Proxy-Level Security and Routing Controls

Severity:

HIGH RISK

(8.6)

CVSS Version:

3.1

Vulnerability Type

Category:

Header Manipulation / Message Routing Error

CWE:

CWE-644;CWE-444

Impact:

Bypass of Proxy-Level Security and Routing Controls

Severity:

HIGH RISK

(8.6)

CVSS Version:

3.1

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From first line of code to a pentest that knows every line of it.

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Header Manipulation (CWE-644) in Fastify Proxy Modules

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

HIGH RISK

HIGH

(8.1)

Improper Access Control (CWE-284) in Keycloak JWT Grants

CRITICAL RISK

CRITICAL

(9.8)

Header Login Bypass (CWE-287) in Wekan Kanban Auth

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

Ship clean & secure code faster

Ship clean & secure code faster

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