What is CVE-2026-85624?

CVE-2026-85624 is a medium-severity vulnerability in Blinkospace Blinko, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-09-04.

How severe is CVE-2026-85624?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Blinkospace Blinko

CVE-2026-85624

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.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2026-09-04 · last modified 2026-09-10.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (35.2th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 35.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Blinkospace Blinko

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

github.com/blinkospace/blinko (product)
github.com/blinkospace/blinko/blob/1.8.8/server/routerTrpc/note.ts (technical-description)
github.com/blinkospace/blinko/issues/1217 (issue-tracking)
www.vulncheck.com/advisories/blinko-1.8.7-cross-user-private-note-disclosure-vi… (third-party-advisory)

Frequently asked questions

What is CVE-2026-85624?: CVE-2026-85624 is a medium-severity vulnerability in Blinkospace Blinko, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-09-04.
How severe is CVE-2026-85624?: Medium severity. CVSS v3 base score is 6.5 out of 10.