What’s Vulnerable › Vulnerabilities

CVE-2026-113597: Blinko through 1.8.8 IDOR via Tag tRPC Router Procedures

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-20 · updated 2026-10-20
• Weakness: CWE-639

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.

Affected products

• blinkospace blinko: through 1.8.8

References

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

Get alerted when CVE-2026-113597 or the next vulnerability affects your stack