How severe is CVE-2026-30230?

CVE-2026-30230 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-30230 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-30230?

CVE-2026-30230 affects Flintsh Flare. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-30230?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-30230 have an EU (EUVD) identifier?

Yes. CVE-2026-30230 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10076.

When was CVE-2026-30230 published?

CVE-2026-30230 was published on 2026-03-06 and last updated on 2026-06-17.

CVE-2026-30230

CVE-2026-30230 is a high-severity vulnerability in Flintsh Flare with a CVSS 3.x base score of 7.5. 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-639.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v4: 8.2
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-10076
Weakness: CWE-639
Affected product: Flintsh Flare
Published: 2026-03-06
Last modified: 2026-06-17

Description

Flare is a Next.js-based, self-hostable file sharing platform that integrates with screenshot tools. Prior to version 1.7.2, the thumbnail endpoint does not validate the password for password‑protected files. It checks ownership/admin for private files but skips password verification, allowing thumbnail access without the password. This issue has been patched in version 1.7.2.

Frequently asked questions

What is CVE-2026-30230?: Flare is a Next.js-based, self-hostable file sharing platform that integrates with screenshot tools. Prior to version 1.7.2, the thumbnail endpoint does not validate the password for password‑protected files. It checks ownership/admin for private files but skips password verification, allowing thumbnail access without the password. This issue has been patched in version 1.7.2.
How severe is CVE-2026-30230?: CVE-2026-30230 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-30230 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-30230?: CVE-2026-30230 affects Flintsh Flare. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-30230?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-30230 have an EU (EUVD) identifier?: Yes. CVE-2026-30230 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-10076.
When was CVE-2026-30230 published?: CVE-2026-30230 was published on 2026-03-06 and last updated on 2026-06-17.

References

https://github.com/FlintSH/Flare/security/advisories/GHSA-3x7v-x3r6-mjh7

Affected products (1)

cpe:2.3:a:flintsh:flare:*:*:*:*:*:*:*:*

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