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    CVE-2026-33537

    Lychee is a free, open-source photo-management tool. The patch introduced for GHSA-cpgw-wgf3-xc6v (SSRF via `Photo::fromUrl`) contains an incomplete IP validation check that fails to block loopback addresses and link-local addresses. Prior to version 7.5.1, an authenticated user can still reach internal services using direct IP addresses, bypassing all four protection configuration settings even when they are set to their secure defaults. Version 7.5.1 contains a fix for the issue.

    Published:Mar 26, 2026
    Last Modified:Apr 2, 2026
    EPS:Mar 26, 2026
    EPSS Score:0.00031
    CVSS Score:5

    Affected Products

    Vendor
    Lycheeorg
    Product
    Lychee

    Exploits

    https://github.com/LycheeOrg/Lychee/security/advisories/GHSA-vq6w-prpf-h287

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Related CVEs

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    CVE-2026-33644 (CVSS 2.3) — Lychee is a free, open-source photo-management tool. Prior to version 7.5.2, the SSRF protection in `PhotoUrlR…
    CVE-2026-22784 (CVSS 2.3) — Lychee is a free, open-source photo-management tool. Prior to 7.1.0, an authorization vulnerability exists in …
    CVE-2025-53018 (CVSS 3) — Lychee is a free, open-source photo-management tool. Prior to version 6.6.13, a critical Server-Side Request F…
    CVE-2025-50202 (CVSS 7.5) — Lychee is a free photo-management tool. In versions starting from 6.6.6 to before 6.6.10, an attacker can leak…
    CVE-2024-25808 (CVSS 8.3) — Cross-site Request Forgery (CSRF) vulnerability in Lychee version 3.1.6, allows remote attackers to execute ar…
    CVE-2024-25807 (CVSS 6.1) — Cross Site Scripting (XSS) vulnerability in Lychee 3.1.6, allows remote attackers to execute arbitrary code an…
    CVE-2023-52082 (CVSS 8.8) — Lychee is a free photo-management tool. Prior to 5.0.2, Lychee is vulnerable to an SQL injection on any bindi…
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High