Blinko through 1.8.8 contains an insecure direct object reference vulnerability in the tag tRPC router that allows authenticated users to read and modify other users' tags by supplying arbitrary tag IDs. Attackers can enumerate sequential IDs via fullTagNameById, updateTagIcon, and updateTagOrder to reveal private note topics and tamper with tag icons and ordering.

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Fixes

Solution

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Workaround

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History

Tue, 20 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 20 Oct 2026 17:00:00 +0000

Type Values Removed Values Added
First Time appeared Blinkospace
Blinkospace blinko
Vendors & Products Blinkospace
Blinkospace blinko

Tue, 20 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
Description Blinko through 1.8.8 contains an insecure direct object reference vulnerability in the tag tRPC router that allows authenticated users to read and modify other users' tags by supplying arbitrary tag IDs. Attackers can enumerate sequential IDs via fullTagNameById, updateTagIcon, and updateTagOrder to reveal private note topics and tamper with tag icons and ordering.
Title Blinko through 1.8.8 IDOR via Tag tRPC Router Procedures
First Time appeared Blinko
Blinko blinko
Weaknesses CWE-639
CPEs cpe:2.3:a:blinko:blinko:*:*:*:*:*:*:*:*
Vendors & Products Blinko
Blinko blinko
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-20T16:40:26.591Z

Reserved: 2026-10-20T11:48:39.329Z

Link: CVE-2026-113597

cve-icon Vulnrichment

Updated: 2026-10-20T16:40:19.347Z

cve-icon NVD

Status : Deferred

Published: 2026-10-20T16:17:08.740

Modified: 2026-10-20T20:11:29.833

Link: CVE-2026-113597

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T17:30:13Z

Weaknesses