--- title: EmbeddedHeadersJsonMessageMapper default gives wire peer... description: A cookie consent notice is displayed on the Broadcom/Spring.io site rather than the actual content, which appears to concern a CVE (CVE-2026-59322) related to... canonical: https://daily.dev/posts/embeddedheadersjsonmessagemapper-default-gives-wire-peer-full-control-of-messageheaders-pxcmbfa2r twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: EmbeddedHeadersJsonMessageMapper default gives wire peer full control of MessageHeaders | daily.dev og:description: A cookie consent notice is displayed on the Broadcom/Spring.io site rather than the actual content, which appears to concern a CVE (CVE-2026-59322) related to... og:url: https://daily.dev/posts/embeddedheadersjsonmessagemapper-default-gives-wire-peer-full-control-of-messageheaders-pxcmbfa2r og:image: https://api.daily.dev/og/posts/pxCmBfa2r.png og:image:alt: EmbeddedHeadersJsonMessageMapper default gives wire peer full control of MessageHeaders og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # EmbeddedHeadersJsonMessageMapper default gives wire peer full control of MessageHeaders **[Spring](https://daily.dev/sources/spring)** · 1 min read · 3 upvotes · 0 comments ## Summary A cookie consent notice is displayed on the Broadcom/Spring.io site rather than the actual content, which appears to concern a CVE (CVE-2026-59322) related to EmbeddedHeadersJsonMessageMapper allowing wire peers full control of MessageHeaders in Spring, but the substantive advisory content is not accessible. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [DefaultJmsHeaderMapper copies all JMS user properties into MessageHeaders without excluding framework-significant names](https://daily.dev/posts/defaultjmsheadermapper-copies-all-jms-user-properties-into-messageheaders-without-excluding-framewor-avzlfjsfy) · Spring · 1 upvotes · 0 comments - [Unsafe Java deserialization in SerializingHttpMessageConverter — remote code execution](https://daily.dev/posts/unsafe-java-deserialization-in-serializinghttpmessageconverter-remote-code-execution-wisjbrluv) · Spring · 7 upvotes · 0 comments - [Deserialization allow-list silently bypassed: setBeanClassLoader replaces deserializer but mapper keeps stale reference](https://daily.dev/posts/deserialization-allow-list-silently-bypassed-setbeanclassloader-replaces-deserializer-but-mapper-ke-cxhvfsc6w) · Spring · 9 upvotes · 0 comments - [CVE-2026-45070: Email Header Injection via Non-Token Characters in Mime Parameter Names \(Symfony Blog\)](https://daily.dev/posts/cve-2026-45070-email-header-injection-via-non-token-characters-in-mime-parameter-names-symfony-blo-ftprhukuv) · Symfony · 0 upvotes · 0 comments - [JsonToObjectTransformer resolves the json\_\_TypeId\_\_ message header to an arbitrary class without an allow-list](https://daily.dev/posts/jsontoobjecttransformer-resolves-the-json-typeid-message-header-to-an-arbitrary-class-without-an--pnqdqqjdm) · Spring · 2 upvotes · 0 comments --- Tags: [#security](https://daily.dev/tags/security), [#java](https://daily.dev/tags/java), [#spring](https://daily.dev/tags/spring) [View this post on daily.dev](https://daily.dev/posts/embeddedheadersjsonmessagemapper-default-gives-wire-peer-full-control-of-messageheaders-pxcmbfa2r) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"EmbeddedHeadersJsonMessageMapper default gives wire peer full control of MessageHeaders","url":"https://daily.dev/posts/embeddedheadersjsonmessagemapper-default-gives-wire-peer-full-control-of-messageheaders-pxcmbfa2r","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/embeddedheadersjsonmessagemapper-default-gives-wire-peer-full-control-of-messageheaders-pxcmbfa2r"},"datePublished":"2026-08-20T16:42:36.968Z","dateModified":"2026-09-14T07:55:19.679Z","description":"A cookie consent notice is displayed on the Broadcom/Spring.io site rather than the actual content, which appears to concern a CVE (CVE-2026-59322) related to...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/ff749d548af41095da8724da8d7ba5f9?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/ff749d548af41095da8724da8d7ba5f9?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Spring","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Spring","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/spring","url":"https://daily.dev/sources/spring"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/embeddedheadersjsonmessagemapper-default-gives-wire-peer-full-control-of-messageheaders-pxcmbfa2r","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":3},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"security,java,spring","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Spring","item":"https://daily.dev/sources/spring"},{"@type":"ListItem","position":3,"name":"EmbeddedHeadersJsonMessageMapper default gives wire peer full control of MessageHeaders"}]} ```