CVE-2026-85740 LightRAG - Server Side Request Forgery

LightRAG < 1.5.5 contains a server-side request forgery caused by improper validation of IPv4 addresses embedded in IPv6 transition wrappers in _validated_addresses, letting attackers fetch internal resources via crafted external image URLs, exploit requires document upload capability.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.22% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Server Side Request Forgery
Impact
Server Side Request Forgery, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
Published
22 September 2026
Updated
15 October 2026
Weakness
CWE-918

Vendor fix

Update to version 1.5.5 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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