Vulnerability DatabaseCVE-2026-113597
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CVE-2026-113597
Published:October 20, 2026
Updated:November 06, 2026
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.
Related Resources (7)
https://www.vulncheck.com/advisories/blinko-through-1.8.8-idor-via-tag-trpc-router-procedures
https://github.com/blinkospace/blinko/issues/1112
https://github.com/blinkospace/blinko/pull/1171
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/113xxx/CVE-2026-113597.json
https://github.com/blinkospace/blinko
https://nvd.nist.gov/vuln/detail/CVE-2026-113597
https://github.com/blinkospace/blinko/blob/1.8.8/server/routerTrpc/tag.ts
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CVSS v4
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Authorization Bypass Through User-Controlled Key
CWE-639
EPSS
Base Score:
0.27