--- title: PKI certificate issuance flexibility with Vault CIEPS description: HashiCorp Vault Enterprise 1.15 introduces Certificate Issuance External Policy Services (CIEPS) to address use cases where custom fields in X.509 PKI... canonical: https://daily.dev/posts/pki-certificate-issuance-flexibility-with-vault-cieps-5ktcpchgg twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: PKI certificate issuance flexibility with Vault CIEPS | daily.dev og:description: HashiCorp Vault Enterprise 1.15 introduces Certificate Issuance External Policy Services (CIEPS) to address use cases where custom fields in X.509 PKI... og:url: https://daily.dev/posts/pki-certificate-issuance-flexibility-with-vault-cieps-5ktcpchgg og:image: https://api.daily.dev/og/posts/5KTCPcHGg.png og:image:alt: PKI certificate issuance flexibility with Vault CIEPS 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. # PKI certificate issuance flexibility with Vault CIEPS **[HashiCorp](https://daily.dev/sources/hc)** · 4 min read · 1 upvotes · 0 comments ## Summary HashiCorp Vault Enterprise 1.15 introduces Certificate Issuance External Policy Services (CIEPS) to address use cases where custom fields in X.509 PKI certificates were not supported. With CIEPS, Vault can validate and issue certificates with any field specified in the x.509 standard. This provides organizations with granular control and flexibility in certificate structures while maintaining a consistent user experience. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#hashicorp](https://daily.dev/tags/hashicorp), [#pki](https://daily.dev/tags/pki) [View this post on daily.dev](https://daily.dev/posts/pki-certificate-issuance-flexibility-with-vault-cieps-5ktcpchgg) ```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":"PKI certificate issuance flexibility with Vault CIEPS","url":"https://daily.dev/posts/pki-certificate-issuance-flexibility-with-vault-cieps-5ktcpchgg","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/pki-certificate-issuance-flexibility-with-vault-cieps-5ktcpchgg"},"datePublished":"2023-12-13T18:40:57.051Z","dateModified":"2026-03-30T02:16:37.490Z","description":"HashiCorp Vault Enterprise 1.15 introduces Certificate Issuance External Policy Services (CIEPS) to address use cases where custom fields in X.509 PKI...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/0012b769c97157625f7ca6c97c0fe366?_a=AQAEufR","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/0012b769c97157625f7ca6c97c0fe366?_a=AQAEufR","isAccessibleForFree":true,"articleSection":"HashiCorp","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":"HashiCorp","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/1c6a95b748824b3ca66a9a7c320737e5","url":"https://daily.dev/sources/hc"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/pki-certificate-issuance-flexibility-with-vault-cieps-5ktcpchgg","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"hashicorp,pki","timeRequired":"PT4M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"HashiCorp","item":"https://daily.dev/sources/hc"},{"@type":"ListItem","position":3,"name":"PKI certificate issuance flexibility with Vault CIEPS"}]} ```