CVE Explorer

CVE-2026-32625

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 references, causing the LibreChat server to connect

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:908de2f3558ba0319fef595614d5e567341726078261f419bfdc4c7d6d307a14

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"LibreChat","vendor":"danny-avila","versions":[{"status":"affected","version":"< 0.8.4-rc1"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:3d5ed7c1e6f55be442adde7b838e9a2630470cd684beecd05ae2782756b17391 · sha256:c17d5b7e6abbc54e… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":9.6,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:3d5ed7c1e6f55be442adde7b838e9a2630470cd684beecd05ae2782756b17391 · sha256:c17d5b7e6abbc54e… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:3d5ed7c1e6f55be442adde7b838e9a2630470cd684beecd05ae2782756b17391 · sha256:c17d5b7e6abbc54e… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions

{"tags":["exploit"],"url":"https://github.com/danny-avila/LibreChat/security/advisories/GHSA-4pcc-j6m6-wcwx"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3d5ed7c1e6f55be442adde7b838e9a2630470cd684beecd05ae2782756b17391 · sha256:c17d5b7e6abbc54e… · /containers/adp/0/references/0

{"name":"https://github.com/danny-avila/LibreChat/security/advisories/GHSA-4pcc-j6m6-wcwx","tags":["x_refsource_CONFIRM"],"url":"https://github.com/danny-avila/LibreChat/security/advisories/GHSA-4pcc-j6m6-wcwx"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3d5ed7c1e6f55be442adde7b838e9a2630470cd684beecd05ae2782756b17391 · sha256:c17d5b7e6abbc54e… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

← Back to CVE Explorer