CVE-2026-32625: LibreChat is an enhanced ChatGPT clone that supports multiple AI providers

Q: How do I fix CVE-2026-32625?

librechat: upgrade to 0.8.4. Exact commands for each OS are on this page.

Q: Is CVE-2026-32625 being exploited?

CVE-2026-32625 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-32625 affect?

CVE-2026-32625 affects librechat. Severity is critical (CVSS 9.6). LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, the Model Context Protocol (MCP) server integration resolves ${VAR} placeholders against the server's process.env during Zod

Q: How urgent is CVE-2026-32625?

Priority 60/100. Critical severity; Public exploit reference

This week

CRITICAL 9.6UPGRADE

CVE-2026-32625 is a critical-severity flaw (CVSS 9.6) affecting librechat. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, the Model Context Protocol (MCP) server integration resolves ${VAR} placeholders against the server's process.env during Zod schema validation of user-supplied MCP server URLs. Any authenticated user can create a malicious MCP server configuration with a URL pointing to an attacker-controlled domain containing environment variable re

Why this priority

Critical severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	9.6 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Weakness	CWE-200
Published	2026-06-02
Last modified	2026-07-22

Publisher (CNA): GitHub, Inc. · Vendor: librechat

Last updated 2026-07-22 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-06-02 23:16 UTCPublished CVE record published
2026-07-22 19:10 UTCUpdated Record last modified

librechat librechat UPGRADE

Affected: < 0.8.4

Fixed in: 0.8.4

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy librechat || rpm -q librechat || librechat --version

2. UPGRADE to 0.8.4 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade librechat

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade librechat

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora 46 · arm-none-eabi-binutils-cs · FIXED · 2.47-1.fc46 · FEDORA-2026-7498616952 · source

sudo dnf upgrade --advisory=FEDORA-2026-7498616952

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: github.com/danny-avila/LibreChat/security/advisories/GHSA-4pcc-j6m6-wcwx

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-32625?

librechat: upgrade to 0.8.4. Exact commands for each OS are on this page.

Is CVE-2026-32625 being exploited?

CVE-2026-32625 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-32625 affect?

CVE-2026-32625 affects librechat. Severity is critical (CVSS 9.6). LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, the Model Context Protocol (MCP) server integration resolves ${VAR} placeholders against the server's process.env during Zod

How urgent is CVE-2026-32625?

Priority 60/100. Critical severity; Public exploit reference

Software pages

OpenAI ChatGPT vulnerabilities

Related CVEs

CVE-2026-31943 HIGH 8.5 UPGRADE LibreChat is a ChatGPT clone with additional features
CVE-2026-31945 HIGH 7.7 DOWNGRADE LibreChat is a ChatGPT clone with additional features
CVE-2026-31951 MEDIUM 6.8 UPGRADE LibreChat is a ChatGPT clone with additional features
CVE-2026-31950 MEDIUM 5.3 DOWNGRADE LibreChat is a ChatGPT clone with additional features
CVE-2026-54033 HIGH 7.7 UPGRADE LibreChat is an enhanced ChatGPT clone that supports multiple AI providers

References

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