Is CVE-2026-61736 in the CISA KEV catalog?

No. CVE-2026-61736 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-61736?

CVE-2026-61736 has a CVSS v3 base score of 9.3 (CRITICAL).

What is the EPSS score for CVE-2026-61736?

CVE-2026-61736 has an EPSS score of 0.30% (23th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix or mitigate CVE-2026-61736?

No published fix for CVE-2026-61736 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

CVE & CISA-KEV Catalog

CVE-2026-61736

CRITICAL

9.3

CVSS v3

NVD

Description

LightRAG provides simple and fast retrieval-augmented generation. Prior to 1.5.4, the server defaults to CORS_ORIGINS=* combined with allow_credentials=True in lightrag/api/lightrag_server.py, causing Starlette CORSMiddleware to effectively whitelist every origin for credentialed cross-origin requests. Any malicious website visited by an authenticated LightRAG user can silently make authenticated API requests, exfiltrating documents and knowledge graph data or performing destructive actions such as deleting the document store. This vulnerability is fixed in 1.5.4.

CWE-942

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Exploit Intelligence

0.30%probability of exploitation in 30 days

23rdpercentile

Low risk: more likely to be exploited than 23% of all known CVEs.

References

Other references6

Related Vulnerabilities

Other CWE-942 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2026-22812	High	8.8	17%	-	Fix
CVE-2023-38122	High	7.2	1.5%	-	Fix
CVE-2019-14860	Medium	6.5	1.2%	-	Fix
CVE-2023-38125	High	8.8	1.1%	-	Fix
CVE-2022-31736	Critical	9.8	1.1%	-	Fix
CVE-2020-36851	Unscored	-	1.0%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-15.