What is CVE-2026-61808?

CVE-2026-61808 is a critical-severity vulnerability in Hkuds Lightrag, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-08-07.

How severe is CVE-2026-61808?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Hkuds Lightrag

CVE-2026-61808

LightRAG provides simple and fast retrieval-augmented generation. Through version 1.5.4, the LightRAG API server binds to all network interfaces with authentication disabled by default, allowing an unauthenticated network attacker to read…

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Hkuds Lightrag — versions < 1.5.5rc1

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

security-advisories@github.com (x_refsource_MISC)
security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-61808?: CVE-2026-61808 is a critical-severity vulnerability in Hkuds Lightrag, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-08-07.
How severe is CVE-2026-61808?: Critical severity. CVSS v3 base score is 9.8 out of 10.