CVE-2025-8129
Low
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.
SeverityLow
CVSS3.5
Exploit probability—
ProductKoa
PublishedJul 25, 2025
First seenJul 25, 2025
Weakness typeCWE-601Open redirect
How to fix
Update
- koajs koa2.16.2 or later
- koa2.16.2, 3.0.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| koajs koa | 2.0.0 ≤ v < 2.16.2, 3.0.0 | 2.16.2 |
| koanpm | 2.0.0 ≤ v < 2.16.2, 3.0.0-alpha.0 ≤ v < 3.0.1 | 2.16.2, 3.0.1 |
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