--- title: Announcing Istio 1.27.7 | daily.dev description: Istio 1.27.7 is a patch release addressing two security vulnerabilities. CVE-2025-61732 (CVSS 8.6, High) fixes a code smuggling issue in cgo binaries caused by... canonical: https://daily.dev/posts/announcing-istio-1-27-7-hl8mqfadh twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Announcing Istio 1.27.7 | daily.dev og:description: Istio 1.27.7 is a patch release addressing two security vulnerabilities. CVE-2025-61732 (CVSS 8.6, High) fixes a code smuggling issue in cgo binaries caused by... og:url: https://daily.dev/posts/announcing-istio-1-27-7-hl8mqfadh og:image: https://api.daily.dev/og/posts/Hl8MqfAdH.png og:image:alt: Announcing Istio 1.27.7 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. # Announcing Istio 1.27.7 **[Istio](https://daily.dev/sources/istio)** · 1 min read · 0 upvotes · 0 comments ## Summary Istio 1.27.7 is a patch release addressing two security vulnerabilities. CVE-2025-61732 (CVSS 8.6, High) fixes a code smuggling issue in cgo binaries caused by comment parsing discrepancies between Go and C/C++. CVE-2025-68121 (CVSS 4.8, Moderate) resolves a TLS session resumption flaw where mutated ClientCAs or RootCAs could allow unintended client-server connections. The release contains no other changes beyond these security fixes. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Announcing Istio 1.28.4](https://daily.dev/posts/announcing-istio-1-28-4-eryfzqmwh) · Istio · 0 upvotes · 0 comments - [Announcing Istio 1.27.8](https://daily.dev/posts/announcing-istio-1-27-8-lwinxs3li) · Istio · 2 upvotes · 0 comments - [Announcing Istio 1.27.5](https://daily.dev/posts/announcing-istio-1-27-5-xmfmlhiqs) · Istio · 2 upvotes · 0 comments --- Tags: [#security](https://daily.dev/tags/security), [#golang](https://daily.dev/tags/golang), [#microservices](https://daily.dev/tags/microservices), [#istio](https://daily.dev/tags/istio), [#service-mesh](https://daily.dev/tags/service-mesh) [View this post on daily.dev](https://daily.dev/posts/announcing-istio-1-27-7-hl8mqfadh) ```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":"Announcing Istio 1.27.7","url":"https://daily.dev/posts/announcing-istio-1-27-7-hl8mqfadh","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/announcing-istio-1-27-7-hl8mqfadh"},"datePublished":"2026-02-16T18:50:19.213Z","dateModified":"2026-02-16T20:54:05.409Z","description":"Istio 1.27.7 is a patch release addressing two security vulnerabilities. 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