{"cve":{"cve_id":"CVE-2026-23480","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00343,"epss_percentile":0.26043,"epss_as_of":"2026-06-23","description":"Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, there is a privilege escalation vulnerability. The upsertUser endpoint has 3 issues: it is missing superAdminAuthMiddleware, any logged-in user can call it; the originalPassword is an optional parameter and if not provided password verification is skipped; there is no check for input.id === ctx.id (ownership verification). This could result in any authenticated user modifying other users' passwords, direct escalation to superadmin, and complete account takeover. This issue has been patched in version 1.8.4.","published_at":"2026-03-23T20:39:38.784000Z","last_modified_at":null,"cvss_v3_score":null,"cvss_v3_vector":null,"cvss_v3_severity":null,"cvss_v4_score":5.3,"cvss_v4_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","cvss_v4_severity":"MEDIUM","ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-288"],"nvd_references":["https://github.com/blinkospace/blinko/security/advisories/GHSA-r3mv-q7ww-86p6","https://github.com/blinkospace/blinko/commit/3afbdf486b6f371bdac5781dea6289749f2c4c03","https://github.com/blinkospace/blinko/releases/tag/1.8.4"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:29:16.376164Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":null,"metrics":[]},"cvss_v4_decoded":{"version":"4.0","metrics":[{"metric":"AV","name":"Attack Vector","value":"N","value_label":"Network"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"AT","name":"Attack Requirements","value":"N","value_label":"None"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"N","value_label":"None"},{"metric":"VC","name":"Confidentiality (Vulnerable System)","value":"N","value_label":"None"},{"metric":"VI","name":"Integrity (Vulnerable System)","value":"L","value_label":"Low"},{"metric":"VA","name":"Availability (Vulnerable System)","value":"N","value_label":"None"},{"metric":"SC","name":"Confidentiality (Subsequent System)","value":"N","value_label":"None"},{"metric":"SI","name":"Integrity (Subsequent System)","value":"N","value_label":"None"},{"metric":"SA","name":"Availability (Subsequent System)","value":"N","value_label":"None"}]},"affected":[{"vendor_slug":"blinkospace","vendor_name":"blinkospace","product_slug":"blinko","product_name":"blinko","version_start":"< 1.8.4","version_start_inclusive":true,"version_end":"< 1.8.4","version_end_inclusive":true,"cpe23_uri":"cve5:blinkospace:blinko:< 1.8.4:< 1.8.4"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/blinkospace/blinko/security/advisories/GHSA-r3mv-q7ww-86p6","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/blinkospace/blinko/commit/3afbdf486b6f371bdac5781dea6289749f2c4c03","source_type":"PATCH","tags":["patch"]},{"url":"https://github.com/blinkospace/blinko/releases/tag/1.8.4","source_type":"PATCH","tags":["patch"]}],"timeline":[{"type":"published","at":"2026-03-23T20:39:38.784000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:51:45.621908Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:51:45.621908Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:51:45.621908Z","label":"CVSS score revised","source":"cvelistv5"}]}