Unrestricted File Upload vulnerability in Firefly III

HIGH 8.8CVE-2021-3846 · GHSA-5gq7-826w-8282 · Published 19/10/2021 · updated 17/06/2026

In short

CVE-2021-3846 is a HIGH (CVSS 8.8) vulnerability affecting grumpydictator/firefly-iii, firefly iii (firefly-iii).
Chance of exploitation in the next 30 days (EPSS): 0.78%, higher than 55.9% of all vulnerabilities.
Fix: update to 5.6.2 or later.

Package	Affected versions	Patched versions
grumpydictator/firefly-iii Packagist	`< 5.6.2`	`5.6.2`
firefly iii firefly-iii	`< 5.6.2`	`5.6.2`

firefly-iii is vulnerable to Unrestricted Upload of File with Dangerous Type

NVD description

firefly-iii is vulnerable to Unrestricted Upload of File with Dangerous Type

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Package

Affected versions

Patched versions

Packagist

< 5.6.2

5.6.2

< 5.6.2

5.6.2

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