{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-8849", "assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "state": "PUBLISHED", "assignerShortName": "@huntr_ai", "dateReserved": "2025-08-10T18:16:35.321Z", "datePublished": "2025-10-30T23:42:41.552Z", "dateUpdated": "2025-10-30T23:42:41.552Z"}, "containers": {"cna": {"title": "Denial of Service in danny-avila/librechat", "providerMetadata": {"orgId": "c09c270a-b464-47c1-9133-acb35b22c19a", "shortName": "@huntr_ai", "dateUpdated": "2025-10-30T23:42:41.552Z"}, "descriptions": [{"lang": "en", "value": "LibreChat version 0.7.9 is vulnerable to a Denial of Service (DoS) attack due to unbounded parameter values in the `/api/memories` endpoint. The `key` and `value` parameters accept arbitrarily large inputs without proper validation, leading to a null pointer error in the Rust-based backend when excessively large values are submitted. This results in the inability to create new memories, impacting the stability of the service."}], "affected": [{"vendor": "danny-avila", "product": "danny-avila/librechat", "versions": [{"version": "unspecified", "lessThan": "v0.8.0-rc2", "status": "affected", "versionType": "custom"}]}], "references": [{"url": "https://huntr.com/bounties/e9d9404c-cd19-4226-a580-9cba14b7d7d6"}, {"url": "https://github.com/danny-avila/librechat/commit/edf33bedcbb08c33e59df76f06454ed7efd896f9"}], "metrics": [{"cvssV3_0": {"version": "3.0", "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L", "baseScore": 5.4, "baseSeverity": "MEDIUM"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-400 Uncontrolled Resource Consumption", "cweId": "CWE-400"}]}], "source": {"advisory": "e9d9404c-cd19-4226-a580-9cba14b7d7d6", "discovery": "EXTERNAL"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "LibreChat version 0.7.9 is vulnerable to a Denial of Service (DoS) attack due to unbounded parameter values in the `/api/memories` endpoint. The `key` and `value` parameters accept arbitrarily large inputs without proper validation, leading to a null pointer error in the Rust-based backend when excessively large values are submitted. This results in the inability to create new memories, impacting the stability of the service."}], "id": "CVE-2025-8849", "lastModified": "2025-10-31T00:15:37.480", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L", "version": "3.0"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "security@huntr.dev", "type": "Secondary"}]}, "published": "2025-10-31T00:15:37.480", "references": [{"source": "security@huntr.dev", "url": "https://github.com/danny-avila/librechat/commit/edf33bedcbb08c33e59df76f06454ed7efd896f9"}, {"source": "security@huntr.dev", "url": "https://huntr.com/bounties/e9d9404c-cd19-4226-a580-9cba14b7d7d6"}], "sourceIdentifier": "security@huntr.dev", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}], "source": "security@huntr.dev", "type": "Primary"}]}

{}

{"created": "2025-10-31T10:12:50.095855+00:00", "updated": "2025-10-31T10:12:50.095883+00:00", "vendors": ["librechat", "librechat$PRODUCT$librechat"]}