CVE-2026-30230: Flare is a Next.js-based, self-hostable file sharing platform that integrates with screenshot tools

Q: How do I fix CVE-2026-30230?

flare: upgrade to 1.7.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-30230 being exploited?

CVE-2026-30230 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-30230 affect?

CVE-2026-30230 affects flare. Severity is high (CVSS 7.5). 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 p

Q: How urgent is CVE-2026-30230?

Priority 45/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2026-30230 is a high-severity flaw (CVSS 7.5) affecting flare. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 67%)
CISA exploited list	No
Weakness	CWE-639
Published	2026-03-06
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: flintsh

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-06 21:16 UTCPublished CVE record published
2026-06-17 10:32 UTCUpdated Record last modified

flintsh flare UPGRADE

Affected: < 1.7.2

Fixed in: 1.7.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy flare || rpm -q flare || flare --version

2. UPGRADE to 1.7.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade flare

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade flare

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-30230?

flare: upgrade to 1.7.2. Exact commands for each OS are on this page.

Is CVE-2026-30230 being exploited?

CVE-2026-30230 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-30230 affect?

CVE-2026-30230 affects flare. Severity is high (CVSS 7.5). 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 p

How urgent is CVE-2026-30230?

Priority 45/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Next.js vulnerabilities

Related CVEs

CVE-2026-30942 MEDIUM 6.5 UPGRADE Flare is a Next.js-based, self-hostable file sharing platform that integrates with screenshot tools
CVE-2026-30231 MEDIUM 5.3 UPGRADE Flare is a Next.js-based, self-hostable file sharing platform that integrates with screenshot tools
CVE-2026-26993 MEDIUM 4.6 UPGRADE Flare is a Next.js-based, self-hostable file sharing platform that integrates with screenshot tools

References

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