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CVE-2026-61808

9.8 · CRITICAL

LightRAG provides simple and fast retrieval-augmented generation.

Published Aug 7, 2026CWE-306EPSS 2.50%

Overview

CVE-2026-61808 is a critical-severity vulnerability. It was published on August 7, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

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 indexed document content, upload or delete documents, modify the knowledge graph, cancel pipelines, clear caches, and consume LLM resources. This issue is mitigated in version 1.5.5rc1.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/HKUDS/LightRAG/commit/0bd102401b4b28a02664e5b6af476bf7a4470292GitHubgithub.com/HKUDS/LightRAG/security/advisories/GHSA-mmg5-8x8q-v934GitHubgithub.com/HKUDS/LightRAG/security/advisories/GHSA-mmg5-8x8q-v934

How CyberStrike helps

Frequently asked questions

What is CVE-2026-61808?

CVE-2026-61808 is a critical-severity vulnerability. It was published on August 7, 2026 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-61808?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-61808?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-61808?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-61808 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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