جزئیات آسیب‌پذیری

In Eclipse Vert.x versions [4.0.0,4.5.35] or [5.0.0,5.2.2], when one `CachingWebClient` is shared across users — the documented pattern of a per-user `WebClientSession` over a shared caching client — a response that is specific to one user but is cacheable and not marked `private`/`no-store` is stored in the client-level shared cache tier and served to other users requesting the same URL. A later user's session, or an anonymous caller through the same client, can receive an earlier user's response. Depending on the response this discloses authenticated content or a session cookie, the latter enabling session fixation or hijacking.

• https://github.com/vert-x3/vertx-web/security/advisories/GHSA-xh2g-9hw9-mvp3
• https://gitlab.eclipse.org/security/cve-assignment/-/work_items/523