CVE-2026-4276
LibreChat RAG API, version 0.7.0, contains a log-injection vulnerability that allows attackers to forge log entries.
Description
LibreChat RAG API, version 0.7.0, contains a log-injection vulnerability that allows attackers to forge log entries.
INFO
Published Date :
March 16, 2026, 4:16 p.m.
Last Modified :
June 5, 2026, 7:59 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Update LibreChat RAG API to the latest version.
- Apply vendor-provided security patches.
- Review and sanitize all user inputs.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-4276.
| URL | Resource |
|---|---|
| https://kb.cert.org/vuls/id/624941 | Third Party Advisory VDB Entry |
| https://www.kb.cert.org/vuls/id/624941 | Third Party Advisory VDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-4276 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-4276
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-4276 vulnerability anywhere in the article.
-
The Hacker News
⚡ Weekly Recap: CI/CD Backdoor, FBI Buys Location Data, WhatsApp Ditches Numbers & More
Another week, another reminder that the internet is still a mess. Systems people thought were secure are being broken in simple ways, showing many still ignore basic advisories. This edition covers a ... Read more
The following table lists the changes that have been made to the
CVE-2026-4276 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jun. 05, 2026
Action Type Old Value New Value Added CWE CWE-94 Added CPE Configuration OR *cpe:2.3:a:librechat:librechat:0.7.0:*:*:*:*:*:*:* Added Reference Type CERT/CC: https://kb.cert.org/vuls/id/624941 Types: Third Party Advisory, VDB Entry Added Reference Type CVE: https://www.kb.cert.org/vuls/id/624941 Types: Third Party Advisory, VDB Entry -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Mar. 17, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Mar. 16, 2026
Action Type Old Value New Value Added Reference https://www.kb.cert.org/vuls/id/624941 -
New CVE Received by [email protected]
Mar. 16, 2026
Action Type Old Value New Value Added Description LibreChat RAG API, version 0.7.0, contains a log-injection vulnerability that allows attackers to forge log entries. Added Reference https://kb.cert.org/vuls/id/624941