7.1
HIGH CVSS 4.0
CVE-2026-85624
Blinko 1.8.7 Cross-User Private Note Disclosure via noteReferenceList
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.

INFO

Published Date :

Sept. 4, 2026, 3:17 p.m.

Last Modified :

Sept. 10, 2026, 3:53 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-85624 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Blinko blinko
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 HIGH 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 HIGH [email protected]
Solution
Implement ownership verification for note identifiers in noteReferenceList procedure.
  • Verify ownership of supplied note identifiers.
  • Ensure note IDs are validated for access.
  • Implement robust access control checks.
  • Review and restrict user access permissions.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-85624 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-85624 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-85624 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-85624 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Sep. 04, 2026

    Action Type Old Value New Value
    Added Reference https://github.com/blinkospace/blinko/issues/1217
    Added SSVC {'id': 'CVE-2026-85624', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-09-04T17:54:42.581883Z'}
  • New CVE Received by [email protected]

    Sep. 04, 2026

    Action Type Old Value New Value
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Added CWE CWE-639
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/85xxx/CVE-2026-85624.json">CVE-2026-85624</a>
    Added Reference https://github.com/blinkospace/blinko
    Added Reference https://github.com/blinkospace/blinko/blob/1.8.8/server/routerTrpc/note.ts
    Added Reference https://github.com/blinkospace/blinko/issues/1217
    Added Reference https://www.vulncheck.com/advisories/blinko-1.8.7-cross-user-private-note-disclosure-via-notereferencelist
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.