CVE-2025-8129
3.5 · LOWOverview
CVE-2025-8129 is a low-severity vulnerability affecting koajs koa. It was published on July 25, 2025 and has a CVSS 3.1 base score of 3.5 (LOW).
This vulnerability has a CVSS 3.1 base score of 3.5, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
A vulnerability, which was classified as problematic, was found in KoaJS Koa up to 3.0.0. Affected is the function back in the library lib/response.js of the component HTTP Header Handler. The manipulation of the argument Referrer leads to open redirect. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
Remediation
Check the references section for vendor advisories and patches from koajs. Update koa to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| koajs | koa | >= 2.0.0, < 2.16.2 | Affected |
Frequently Asked Questions
What is CVE-2025-8129?
CVE-2025-8129 is a low-severity vulnerability affecting koajs koa. It was published on July 25, 2025 and has a CVSS 3.1 base score of 3.5 (LOW).
How severe is CVE-2025-8129?
This vulnerability has a CVSS 3.1 base score of 3.5, rated LOW. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2025-8129?
Check the references section for vendor advisories and patches from koajs. Update koa to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2025-8129?
CyberStrike's AI-powered security agents can automatically detect CVE-2025-8129 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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