CVE-2025-8849: 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…

PriorityP340high7.5CVSS 3.1

AVNACLPRNUINSUCNINAH

EPSS

0.31%

23.0th percentile

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

2 ranges

Vendor	Product	Version range	Fixed in
danny-avila	danny-avila_librechat	>= unspecified < v0.8.0-rc2	v0.8.0-rc2
librechat	librechat	—	—

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

nvdv3.05.4MEDIUMCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

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