CVE-2026-33644 identifies a Server-Side Request Forgery (SSRF) protection bypass vulnerability in Lychee, an open-source photo-management tool, affecting versions prior to 7.5.2. The flaw allows an attacker to bypass IP validation in PhotoUrlRule.php using DNS rebinding when a domain name is provided, enabling the system to make requests to internal network resources. This vulnerability is rated 4.3 MEDIUM (CVSS:3.1/AV:N/AC:L/PR:L) due to its network attack vector, low attack complexity, and low confidentiality impact, requiring low privileges to exploit. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion regarding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 7.5.2CPE matchmatch criteria | cpe:2.3:a:lycheeorg:lychee:*:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:P/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
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.