CVE-2026-33537 describes an incomplete IP validation vulnerability in Lychee, an open-source photo-management tool, affecting versions prior to 7.5.1. This flaw allows an authenticated user to bypass existing protections and perform Server-Side Request Forgery (SSRF) to internal services, including loopback and link-local addresses. Rated Medium severity (CVSS 5.0), the vulnerability requires authenticated access and low attack complexity, potentially leading to limited information disclosure from internal systems. There is currently no evidence of active exploitation, public exploit code, or significant community discussion regarding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 7.5.1CPE matchmatch criteria | cpe:2.3:a:lycheeorg:lychee:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.