| Package | Affected versions | Patched versions |
|---|---|---|
| fastify-reply-from | < 4.0.2 | 4.0.2 |
| fastify-reply-from | < 4.0.2 | 4.0.2 |
By crafting a specific URL, it is possible to escape the prefix of the proxied backend service.
If the base url of the proxied server is /pub/, a user expect that accessing /priv on the target service would not be possible. Unfortunately, it is.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
A patch have been submitted by Corey Farrell [email protected], the reporter. All releases after v4.0.2 include the fix.
There are no workaround available.
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