CVE-2026-25149 Qwik City Open Redirect via fixTrailingSlash

Low 2.7 Published 3 Feb 2026 Updated 4 Feb 2026

Attackers can redirect users to malicious sites via protocol-relative URLs in Qwik City, enabling phishing attacks on trusted domains.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2026-25149?

CVE-2026-25149 is a low-severity vulnerability in QwikDev qwik, published on 3 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Qwik is a performance focused javascript framework. Prior to version 1.19.0, an Open Redirect vulnerability in Qwik City's default request handler middleware allows a remote attacker to redirect users to arbitrary protocol-relative URLs. Successful exploitation permits attackers to craft convincing phishing links that appear to originate from the trusted domain but redirect the victim to an attacker-controlled site. This issue has been patched in version 1.19.0.

Weakness: CWE-601

Which versions are affected by CVE-2026-25149?

2 open source packages ship an affected version, including @builder.io/qwik-city. It affects 1 product.

Package	Affected	Fixed in
`@builder.io/qwik-city` npm	All versions	`1.19.0`
`@builder.io/qwik-city` npm	All versions	`1.19.0`

Products include Qwik Qwik.

How do I fix CVE-2026-25149?

Upgrade @builder.io/qwik-city to 1.19.0 or later.

Is CVE-2026-25149 being exploited?

There is no known exploitation of CVE-2026-25149 in the wild and no public exploit code.

Sources

Also known as GHSA-92j7-wgmg-f32m.