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CVE-2026-54024

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. Prior to 0.8.4-rc1, the fix for CVE-2024-11171 (commit bb58a2d0) added limits: { fileSize } to createMulterInstance() in the file upload routes. However, the POST /api/convos/import endpoint uses a separate multer instance that was never updated with the same limits configuration. Combined with the application-level size check being disabled by default (the CONVERSATION_IMPORT_MAX_FILE_SIZE_BYTES env var is commented out
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8943d7e879ed04b5498505350078324124f8b04545e8341b345dcdfa0d273516
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

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:v2:608c810ce809eb5a3ee2c6e156028e70017476f692d2252b3e0bd90798448e78 · sha256:c4ed30ee0f87a5d8… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:608c810ce809eb5a3ee2c6e156028e70017476f692d2252b3e0bd90798448e78 · sha256:c4ed30ee0f87a5d8… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-770","description":"CWE-770: Allocation of Resources Without Limits or Throttling","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:608c810ce809eb5a3ee2c6e156028e70017476f692d2252b3e0bd90798448e78 · sha256:c4ed30ee0f87a5d8… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["exploit"],"url":"https://github.com/danny-avila/LibreChat/security/advisories/GHSA-52f6-fqwv-jccf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:608c810ce809eb5a3ee2c6e156028e70017476f692d2252b3e0bd90798448e78 · sha256:c4ed30ee0f87a5d8… · /containers/adp/0/references/0
{"name":"https://github.com/danny-avila/LibreChat/security/advisories/GHSA-52f6-fqwv-jccf","tags":["x_refsource_CONFIRM"],"url":"https://github.com/danny-avila/LibreChat/security/advisories/GHSA-52f6-fqwv-jccf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:608c810ce809eb5a3ee2c6e156028e70017476f692d2252b3e0bd90798448e78 · sha256:c4ed30ee0f87a5d8… · /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.

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