CVE-2026-113597

MEDIUM 5.4

Blinko through 1.8.8 IDOR via Tag tRPC Router Procedures

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-639
Vendor	blinkospace
Product	blinko
Published	Oct 20, 2026
Last Updated	Oct 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

blinkospace / blinko

0 ≤ 1.8.8

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/blinkospace/blinko/issues/1112 github.com: https://github.com/blinkospace/blinko/pull/1171 github.com: https://github.com/blinkospace/blinko/blob/1.8.8/server/routerTrpc/tag.ts vulncheck.com: https://www.vulncheck.com/advisories/blinko-through-1.8.8-idor-via-tag-trpc-router-procedures

Credits

lighthousekeeper1212 🔍 leediay153 from Viettel Post