CVE-2026-57568 Details
Description
Lychee is a free, open-source photo-management tool. Prior to 7.6.0, Lychee permits an authenticated user with album-edit permissions to store a javascript URI in an album or photo Markdown description because config/markdown.php enables allow_unsafe_links. app/Http/Resources/Models/Utils/PreformattedPhotoData.php and app/Http/Resources/Models/Utils/PreFormattedAlbumData.php convert the description to HTML, and the gallery components PhotoDetails.vue, Overlay.vue, PhotoThumb.vue, AlbumHero.vue, and AlbumCard.vue render that HTML with v-html. A visitor, including an unauthenticated visitor to a public album, who clicks the rendered link executes attacker-controlled JavaScript in the Lychee origin, which can expose session data or enable authenticated requests in the victim's context. This gallery-view flaw is distinct from CVE-2026-33738, which addressed feed rendering. This issue is fixed in version 7.6.0.
A stored cross-site scripting vulnerability has been identified in Lychee, a photo management tool, prior to version 7.6.0. The issue allows an authenticated user with album-edit permissions to inject a JavaScript URI into an album or photo Markdown description. This is possible because the Markdown configuration permits unsafe links. The injected JavaScript is executed in the context of the Lychee origin when a visitor, including unauthenticated users, clicks the link in a public album. The vulnerability arises from the combination of the Markdown processing, which converts descriptions to HTML, and the Vue.js components that render this HTML without proper sanitization.
Users can update to Lychee version 7.6.0 or later, where this vulnerability has been fixed.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 15, 2026CISA-ADP
Assessed Oct 15, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/LycheeOrg/Lychee/commit/f0604ead5889bfed404d6f5e1a9205f945172c7e | [email protected] | Source CodeVendor |
| https://github.com/LycheeOrg/Lychee/pull/4377 | [email protected] | Source CodeVendor |
| https://github.com/LycheeOrg/Lychee/releases/tag/v7.6.0 | [email protected] | Release NotesVendor |
| https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-pgfr-x389-5p2h | [email protected] | AdvisoryExploitRemedyVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Lychee | <= 7.5.4 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 16, 2026 | CVE Modified | CISA-ADP |
| Oct 15, 2026 | New CVE Received | [email protected] |