How severe is CVE-2026-23488?

CVE-2026-23488 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-23488 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-23488?

CVE-2026-23488 affects Blinko. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-23488?

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

Does CVE-2026-23488 have an EU (EUVD) identifier?

Yes. CVE-2026-23488 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14544.

When was CVE-2026-23488 published?

CVE-2026-23488 was published on 2026-03-23 and last updated on 2026-06-17.

CVE-2026-23488

CVE-2026-23488 is a medium-severity vulnerability in Blinko with a CVSS 3.x base score of 5.3. 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-639.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v4: 6.9
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-14544
Weakness: CWE-639
Affected product: Blinko
Published: 2026-03-23
Last modified: 2026-06-17

Description

Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, the /api/v1/comment/create endpoint has an unauthorized access vulnerability, allowing attackers to post comments on any note (including private notes) without authorization, even if the note has not been publicly shared. The /api/v1/comment/list endpoint has the same issue, allowing unauthorized viewing of comments on all notes. This issue has been patched in version 1.8.4.

Frequently asked questions

What is CVE-2026-23488?: Blinko is an AI-powered card note-taking project. Prior to version 1.8.4, the /api/v1/comment/create endpoint has an unauthorized access vulnerability, allowing attackers to post comments on any note (including private notes) without authorization, even if the note has not been publicly shared. The /api/v1/comment/list endpoint has the same issue, allowing unauthorized viewing of comments on all notes. This issue has been patched in version 1.8.4.
How severe is CVE-2026-23488?: CVE-2026-23488 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-23488 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-23488?: CVE-2026-23488 affects Blinko. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-23488?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-23488 have an EU (EUVD) identifier?: Yes. CVE-2026-23488 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-14544.
When was CVE-2026-23488 published?: CVE-2026-23488 was published on 2026-03-23 and last updated on 2026-06-17.

References

Affected products (1)

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

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