{"answers":{"affected":"4 open source packages ship an affected version, including Umbraco.Engage.Forms.","exploited":"There is no known exploitation of CVE-2026-27449 in the wild and no public exploit code.","fix":"Upgrade Umbraco.Engage.Forms to a fixed version for your release line: 16.2.1 or 17.1.1.","what":"CVE-2026-27449 is a high-severity missing authorization vulnerability in Umbraco.Engage.Forms, published on 26 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-27449 and fix it if it is affected.\n\nWhat it is: CVE-2026-27449 is a high-severity missing authorization vulnerability in Umbraco.Engage.Forms, published on 26 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2026-27449 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- Umbraco.Engage.Forms (NuGet): affected from 16.0.0; fixed in 16.2.1\n- Umbraco.Engage.Forms (NuGet): affected from 16.0.0; fixed in 16.2.1\n- Umbraco.Engage.Forms (NuGet): affected from 17.0.0; fixed in 17.1.1\n- Umbraco.Engage.Forms (NuGet): affected from 17.0.0; fixed in 17.1.1\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-27449/ (Markdown: https://insights.sbomify.com/CVE-2026-27449/index.md)","id":"CVE-2026-27449","markdown":"https://insights.sbomify.com/CVE-2026-27449/index.md","name":"CVE-2026-27449","record":{"aliases":["GHSA-86vq-ccwf-rm62"],"analysis":{"component_type":"web_application","fix_type":"upgrade","impacts":["data_read"],"network_reachable":"yes","non_default_config":false,"product_category":"Umbraco Engage Forms","requires_auth":"none","summary":"Unauthenticated attackers can access sensitive data via exposed API endpoints by enumerating identifiers, requiring an upgrade to patched versions.","user_interaction":"not_required","vuln_class":"missing_authorization"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"GitHub_M","cpe":[],"cvss":{"score":7.5,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"cwes":[{"id":"CWE-639","name":"Authorization Bypass Through User-Controlled Key"},{"id":"CWE-306","name":"Missing Authentication for Critical Functionality"},{"id":"CWE-284","name":"Improper Access Control"}],"description":"Umbraco Engage is a business intelligence platform. A vulnerability has been identified in Umbraco Engage prior to versions 16.2.1 and 17.1.1 where certain API endpoints are exposed without enforcing authentication or authorization checks. The affected endpoints can be accessed directly over the network without requiring a valid session or user credentials. By supplying a user-controlled identifier parameter (e.g., ?id=), an attacker can retrieve sensitive data associated with arbitrary records. Because no access control validation is performed, the endpoints are vulnerable to enumeration attacks, allowing attackers to iterate over identifiers and extract data at scale. An unauthenticated attacker can retrieve sensitive Engage-related data by directly querying the affected API endpoints. The vulnerability allows arbitrary record access through predictable or enumerable identifiers. The confidentiality impact is considered high. No direct integrity or availability impact has been identified. The scope of exposed data depends on the deployment but may include analytics data, tracking data, customer-related information, or other Engage-managed content. The vulnerability affects both v16 and v17. Patches have already been released. Users are advised to update to 16.2.1 or 17.1.1. No known workarounds are available.","ecosystems":["NuGet"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"Umbraco.Engage.Forms Allows Unauthorized Access to Multiple API Endpoints","id":"CVE-2026-27449","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"NuGet","product":null,"products":[],"type":"missing_authorization","year":"2026"},"n_packages":4,"n_references":1,"next":{"headline":"ASN.1 TypeScript Library: Decoding an INTEGER could leak the underlying ArrayBuffer","id":"CVE-2026-27452"},"packages":[{"ecosystem":"NuGet","fixed":["16.2.1"],"introduced":["16.0.0"],"last_affected":[],"package":"Umbraco.Engage.Forms","purl":null,"source":"GHSA-86vq-ccwf-rm62"},{"ecosystem":"NuGet","fixed":["16.2.1"],"introduced":["16.0.0"],"last_affected":[],"package":"Umbraco.Engage.Forms","purl":"pkg:nuget/Umbraco.Engage.Forms","source":"GHSA-86vq-ccwf-rm62"},{"ecosystem":"NuGet","fixed":["17.1.1"],"introduced":["17.0.0"],"last_affected":[],"package":"Umbraco.Engage.Forms","purl":null,"source":"GHSA-86vq-ccwf-rm62"},{"ecosystem":"NuGet","fixed":["17.1.1"],"introduced":["17.0.0"],"last_affected":[],"package":"Umbraco.Engage.Forms","purl":"pkg:nuget/Umbraco.Engage.Forms","source":"GHSA-86vq-ccwf-rm62"}],"prev":{"headline":"pyOpenSSL allows TLS connection bypass via unhandled callback exception in set_tlsext_servername_callback","id":"CVE-2026-27448"},"products":["Umbraco.Engage.Forms"],"published":"2026-02-26","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-03-03","vendors":["umbraco"]},"summary":"Unauthenticated attackers can access sensitive data via exposed API endpoints by enumerating identifiers, requiring an upgrade to patched versions.","url":"https://insights.sbomify.com/CVE-2026-27449/"}