Severity:

HIGH RISK

(7.5)

HTTP/2 Request Smuggling (CWE-444) in PSL H2 Server

CVE-2026-48979

Published:

Jun 17, 2026

Status:

Awaiting Analysis

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Vulnerability Type

Category:

HTTP Request Smuggling

CWE:

CWE-444

Impact:

Request Smuggling and Application-layer Bypass

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

Vulnerability Type

Category:

HTTP Request Smuggling

CWE:

CWE-444

Impact:

Request Smuggling and Application-layer Bypass

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

Detect vulnerable code directly in pull requests, so CVEs are fixed before merge.

Get Started

text

Recent Vulnerabilities

CWE-284

HIGH RISK

(8.1)

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

Unauthorized Access and Privilege Misuse

CWE-287;CWE-290

CRITICAL RISK

(9.8)

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

Full Account Takeover and Privilege Escalation

Ship clean & secure code faster

Start Free Trial

No CC Required

Get Pentest Report

NO CC REQUIRED