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Thu, 15 Oct 2026 18:30:00 +0000
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ssvc
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Thu, 15 Oct 2026 16:45:00 +0000
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| Description | Lychee is a free, open-source photo-management tool. Prior to 7.6.0, the POST /api/v2/Photo::fromUrl flow validates a hostname and its resolved addresses in app/Rules/PhotoUrlRule.php but later passes the original hostname through app/Actions/Import/FromUrl.php to app/Image/Files/DownloadedFile.php for a separate fopen connection. An authenticated attacker who controls DNS responses can cause validation to observe a public address and the subsequent fetch to resolve the same hostname to a private or otherwise forbidden address. This DNS rebinding time-of-check to time-of-use mismatch bypasses the intended server-side request forgery protections and can reach services available from the Lychee server, subject to deployment and TLS behavior. This issue is fixed in version 7.6.0. | |
| Title | Lychee: Distinct post-fix SSRF variant in Photo::fromUrl due to missing IP pinning after DNS-based validation | |
| Weaknesses | CWE-367 CWE-918 |
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cvssV4_0
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Subscriptions
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-10-15T17:58:10.062Z
Reserved: 2026-06-24T18:49:56.207Z
Link: CVE-2026-57569
Updated: 2026-10-15T17:57:59.137Z
Status : Received
Published: 2026-10-15T17:17:24.033
Modified: 2026-10-15T18:17:28.463
Link: CVE-2026-57569
No data.
OpenCVE Enrichment
No data.