{"answers":{"affected":"","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-86191 exists.","fix":"No fix has been published for CVE-2026-86191 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-86191 is a medium-severity vulnerability in siyuan-note siyuan, published on 5 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-86191 and fix it if it is affected.\n\nWhat it is: CVE-2026-86191 is a medium-severity vulnerability in siyuan-note siyuan, published on 5 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-86191 exists.\n\nAffected product: siyuan-note siyuan. No package-level version data is available, so check the vendor advisory linked from the reference page.\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-2026-86191/ (Markdown: https://insights.sbomify.com/CVE-2026-86191/index.md)","id":"CVE-2026-86191","markdown":"https://insights.sbomify.com/CVE-2026-86191/index.md","name":"CVE-2026-86191","record":{"aliases":["GHSA-5p8j-x73f-mfw4","GHSA-j4qq-w6qx-6839"],"analysis":{"component_type":"desktop_application","fix_type":"upgrade","impacts":["data_read"],"network_reachable":"yes","non_default_config":false,"product_category":"SiYuan note-taking app","requires_auth":"low_privilege","summary":"Attackers can enumerate private attribute view keys from hidden databases via the getAttributeViewKeysByID endpoint, exposing sensitive schema information.","user_interaction":"not_required","vuln_class":"information_disclosure"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"VulnCheck","cpe":[],"cvss":{"score":5.3,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"},"cwes":[{"id":"CWE-639","name":"Authorization Bypass Through User-Controlled Key"}],"description":"SiYuan versions before v3.8.2 contain an information disclosure vulnerability in the getAttributeViewKeysByID endpoint that allows publish readers to enumerate private attribute view key definitions without verifying parent database visibility. Attackers can access the endpoint to retrieve complete key schemas including sensitive field names and relation definitions from hidden databases.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":false,"headline":"SiYuan before v3.8.2 Private Attribute View Key Enumeration","id":"CVE-2026-86191","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"information_disclosure","year":"2026"},"n_packages":0,"n_references":2,"next":{"headline":"SiYuan before v3.8.2 Information Disclosure via Attribute-View","id":"CVE-2026-86192"},"packages":[],"prev":{"headline":"WWBN AVideo Broken Access Control via videoViewsInfo hash Parameter","id":"CVE-2026-86190"},"products":["siyuan"],"published":"2026-09-05","related":[],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-09-08","vendors":["siyuan-note"]},"summary":"Attackers can enumerate private attribute view keys from hidden databases via the getAttributeViewKeysByID endpoint, exposing sensitive schema information.","url":"https://insights.sbomify.com/CVE-2026-86191/"}