vertx-core: Eclipse Vert.x: Information disclosure via improper handling of HTTP 30x redirects

A flaw was found in Eclipse Vert.x. The DefaultRedirectHandler in vertx-core improperly handles HTTP 30x redirects by propagating all request headers, including sensitive authentication and session credentials, to cross-origin redirect destinations. An attacker can exploit this by redirecting a...

Important: Red Hat Security Advisory: Red Hat build of Quarkus 3.27.4.SP3 security update

An update is now available for Red Hat build of Quarkus. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability. For more informatio...

The vulnerability of the `VertxWebsocketConsumer.populateExchangeHeaders()` function in the Vertx WebSocket component of the Java framework Apache Camel allows a attacker to disclose sensitive information and perform an SSRF attack.

The vulnerability of the VertxWebsocketConsumer.populateExchangeHeaders method in the Vertx WebSocket component from the Java framework Apache Camel is related to insufficient validation of input data. Exploiting this vulnerability could allow an attacker to disclose sensitive information and...

Exploit for Exposure of Sensitive Information to an Unauthorized Actor in Apache Camel

camel-vertx-websocket Header Injection Reproducer CVE-2026-46...

Origin Validation Error

Overview io.vertx:vertx-core is a tool-kit for building reactive applications on the JVM. Affected versions of this package are vulnerable to Origin Validation Error in the DefaultRedirectHandler, which forwards request headers, including Authorization, Cookie, Proxy-Authorization, and custom...

CVE-2026-15076

In versions up to and including 4.5.29 4.x branch and 5.1.4 5.x branch, the WebClientSession component of Eclipse Vert.x Web Client does not validate that the Domain attribute of a Set-Cookie response header matches the originating server's domain, in violation of RFC 6265 section 5.3. An attacke...

CVE-2026-15075

In Eclipse Vert.x versions up to and including 4.5.29 4.x branch and 5.1.4 5.x branch, DefaultRedirectHandler vertx-core propagates all request headers as-is across cross-origin HTTP 30x redirects. Only Content-Length is stripped; no origin comparison scheme, host, port is performed before copyin...

CVE-2026-15075

In Eclipse Vert.x versions up to and including 4.5.29 4.x branch and 5.1.4 5.x branch, DefaultRedirectHandler vertx-core propagates all request headers as-is across cross-origin HTTP 30x redirects. Only Content-Length is stripped; no origin comparison scheme, host, port is performed before copyin...

CVE-2026-15075

In Eclipse Vert.x versions up to and including 4.5.29 4.x branch and 5.1.4 5.x branch, DefaultRedirectHandler vertx-core propagates all request headers as-is across cross-origin HTTP 30x redirects. Only Content-Length is stripped; no origin comparison scheme, host, port is performed before copyin...

EUVD-2026-43639

In Eclipse Vert.x versions up to and including 4.5.29 4.x branch and 5.1.4 5.x branch, DefaultRedirectHandler vertx-core propagates all request headers as-is across cross-origin HTTP 30x redirects. Only Content-Length is stripped; no origin comparison scheme, host, port is performed before copyin...

CVE-2026-15075

CVE-2026-15075 affects Eclipse Vert.x up to 4.5.29 (4.x) and 5.1.4 (5.x). The DefaultRedirectHandler in vertx-core forwards all request headers across cross-origin HTTP 30x redirects, stripping only Content-Length. No origin check is performed before copying headers to the redirect target. This a...

CVE-2026-15076

In versions up to and including 4.5.29 4.x branch and 5.1.4 5.x branch, the WebClientSession component of Eclipse Vert.x Web Client does not validate that the Domain attribute of a Set-Cookie response header matches the originating server's domain, in violation of RFC 6265 section 5.3. An attacke...

CVE-2026-15076

In versions up to and including 4.5.29 4.x branch and 5.1.4 5.x branch, the WebClientSession component of Eclipse Vert.x Web Client does not validate that the Domain attribute of a Set-Cookie response header matches the originating server's domain, in violation of RFC 6265 section 5.3. An attacke...

CVE-2026-15076

In versions up to and including 4.5.29 4.x branch and 5.1.4 5.x branch, the WebClientSession component of Eclipse Vert.x Web Client does not validate that the Domain attribute of a Set-Cookie response header matches the originating server's domain, in violation of RFC 6265 section 5.3. An attacke...

EUVD-2026-43637

In versions up to and including 4.5.29 4.x branch and 5.1.4 5.x branch, the WebClientSession component of Eclipse Vert.x Web Client does not validate that the Domain attribute of a Set-Cookie response header matches the originating server's domain, in violation of RFC 6265 section 5.3. An attacke...

CVE-2026-15076

In versions up to and including 4.5.29 4.x branch and 5.1.4 5.x branch, the WebClientSession component of Eclipse Vert.x Web Client does not validate that the Domain attribute of a Set-Cookie response header matches the originating server's domain, in violation of RFC 6265 section 5.3. An attacke...

CVE-2026-15076

Vulnerability context: CVE-2026-15076 affects Eclipse Vert.x Web Client’s WebClientSession (versions up to 4.5.29 and 5.1.4). The issue is that the Domain attribute of a Set-Cookie header is not validated against the originating server’s domain. Root cause: WebClientSession stores cookies without...

PT-2026-57987

In versions up to and including 4.5.29 4.x branch and 5.1.4 5.x branch, the WebClientSession component of Eclipse Vert.x Web Client does not validate that the Domain attribute of a Set-Cookie response header matches the originating server's domain, in violation of RFC 6265 section 5.3. An attacke...

CVE-2026-15075: Exposure of Sensitive Information to an Unauthorized Actor

In Eclipse Vert.x versions up to and including 4.5.29 4.x branch and 5.1.4 5.x branch, DefaultRedirectHandler vertx-core propagates all request headers as-is across cross-origin HTTP 30x redirects. Only Content-Length is stripped; no origin comparison scheme, host, port is performed before copyin...

PT-2026-57986

Name of the Vulnerable Software and Affected Versions Eclipse Vert.x versions prior to 4.5.30 Eclipse Vert.x versions prior to 5.1.5 Description The DefaultRedirectHandler in the vertx-core module propagates all request headers during cross-origin HTTP 30x redirects without performing origin...