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CVE-2026-25149: Qwik City Open Redirect via fixTrailingSlash

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-02-03 · updated 2026-06-17
• Weakness: CWE-601

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.

Affected products

• QwikDev qwik: before 1.19.0 — fixed in 1.19.0

How to fix

Upgrade to a fixed version: QwikDev qwik 1.19.0. Check the vendor advisory for mitigations.

References

• https://github.com/QwikDev/qwik/commit/9959eab30a3ad9cc03689eaa080fcfbc33df71ed
• https://github.com/QwikDev/qwik/security/advisories/GHSA-92j7-wgmg-f32m

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