CVE-2026-28679: HomeGallery: Path Traversal (Arbitrary File Read)

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-03-06 · updated 2026-06-17
Weakness: CWE-22

Description

Home-Gallery.org is a self-hosted open-source web gallery to browse personal photos and videos. Prior to version 1.21.0, when a user requests a download, the application does not verify whether the requested file is located within the media source directory, which can result in sensitive system files being downloadable as well. This issue has been patched in version 1.21.0.

Affected products

Home-Gallery Homegallery: before 1.21.0 — fixed in 1.21.0

How to fix

Upgrade to a fixed version: Home-Gallery Homegallery 1.21.0. Check the vendor advisory for mitigations.

References

https://github.com/xemle/home-gallery/releases/tag/v1.21.0
https://github.com/xemle/home-gallery/security/advisories/GHSA-xj65-hcj5-h6j3

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