CVE-2026-113597 Details
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.
A vulnerability allowing insecure direct object reference has been identified in Blinko versions through 1.8.8. This vulnerability exists in the tag tRPC router, where authenticated users can read and modify other users' tags by providing arbitrary tag IDs. Exploitation is possible by enumerating sequential IDs through specific router procedures, which can lead to unauthorized access and manipulation of private note topics and tag-related data.
The vulnerability has been addressed in a pull request that adds the necessary ownership checks to the affected tag and message routers.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 20, 2026CISA-ADP
Assessed Oct 20, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/blinkospace/blinko/blob/1.8.8/server/routerTrpc/tag.ts | [email protected] | Source CodeVendor |
| https://github.com/blinkospace/blinko/issues/1112 | [email protected] | ExploitIssue TrackingTechnical DescriptionVendor |
| https://github.com/blinkospace/blinko/pull/1171 | [email protected] | Issue TrackingVendor |
| https://www.vulncheck.com/advisories/blinko-through-1.8.8-idor-via-tag-trpc-router-procedures | [email protected] | Advisory |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-639 | Authorization Bypass Through User-Controlled Key | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Blinko | <= 1.8.8 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 20, 2026 | CVE Modified | CISA-ADP |
| Oct 20, 2026 | New CVE Received | [email protected] |