How severe is CVE-2026-23484?

CVE-2026-23484 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2026-23484 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-23484?

CVE-2026-23484 affects Blinko. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-23484?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-23484 have an EU (EUVD) identifier?

Yes. CVE-2026-23484 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14538.

When was CVE-2026-23484 published?

CVE-2026-23484 was published on 2026-03-23 and last updated on 2026-06-17.

CVE-2026-23484

CVE-2026-23484 is a medium-severity vulnerability in Blinko with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 5.3
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-14538
Weakness: CWE-22
Affected product: Blinko
Published: 2026-03-23
Last modified: 2026-06-17

Description

Blinko is an AI-powered card note-taking project. In versions from 1.8.3 and prior, the fileName parameter is not filtered, allowing path traversal to write files anywhere on the file system. Moreover, this interface only requires authProcedure (normal user), not superAdminAuthMiddleware. At time of publication, there are no publicly available patches.

Frequently asked questions

What is CVE-2026-23484?: Blinko is an AI-powered card note-taking project. In versions from 1.8.3 and prior, the fileName parameter is not filtered, allowing path traversal to write files anywhere on the file system. Moreover, this interface only requires authProcedure (normal user), not superAdminAuthMiddleware. At time of publication, there are no publicly available patches.
How severe is CVE-2026-23484?: CVE-2026-23484 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2026-23484 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-23484?: CVE-2026-23484 affects Blinko. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-23484?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-23484 have an EU (EUVD) identifier?: Yes. CVE-2026-23484 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14538.
When was CVE-2026-23484 published?: CVE-2026-23484 was published on 2026-03-23 and last updated on 2026-06-17.

References

https://github.com/blinkospace/blinko/security/advisories/GHSA-7v3f-v6vf-jm9q

Affected products (1)

cpe:2.3:a:blinko:blinko:*:*:*:*:*:*:*:*

More vulnerabilities in Blinko

CVE-2026-23480 — High (CVSS 8.8): Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, there is a privilege escalation…
CVE-2026-23482 — High (CVSS 7.5): Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, the file server endpoint does not perform…
CVE-2026-23882 — High (CVSS 7.2): Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, the MCP (Model Context Protocol) server…
CVE-2026-23487 — Medium (CVSS 6.5): Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, there is an IDOR vulnerability where…
CVE-2026-23481 — Medium (CVSS 6.5): Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, there is an authenticated arbitrary file…
CVE-2026-23488 — Medium (CVSS 5.3): Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, the /api/v1/comment/create endpoint has an…

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