SSRF Vulnerability in Lychee Photo Management Tool
CVE-2026-33537

5.3MEDIUM

Key Information:

Vendor

Lycheeorg

Status
Lychee
Vendor
CVE Published:
26 March 2026

What is CVE-2026-33537?

Lychee, an open-source photo management solution, has an SSRF vulnerability due to incomplete IP validation within the patch for GHSA-cpgw-wgf3-xc6v. This flaw allows authenticated users to bypass protective configuration settings and access internal services by directly specifying loopback and link-local IP addresses. Users are encouraged to upgrade to version 7.5.1, which addresses this vulnerability.

Affected Version(s)

Lychee < 7.5.1

References

https://github.com/LycheeOrg/Lychee/security/advisories/G...
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https://github.com/LycheeOrg/Lychee/commit/41386677681d18...
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CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.