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Vulnerabilities

Security fix · CVE-2026-44654

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers.

Published Jun 2, 2026 · catalog updated Jul 21, 2026 · LibreChat is an enhanced

Check if you run it

No confirmed exploitation is on record for CVE-2026-44654. EPSS is 0.40%. Act only if a listed version of LibreChat is an enhanced is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (LibreChat is an enhanced).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.40%
Remediation
Version ranges on file
Affected products
cpe librechat/librechat · stated librechat

LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, a shared-agent editor can delete file records through that the owner has reused across multiple agents. The deletion removes the file globally — not just from the shared agent — breaking the owner's other private agents that reference the same . The private agent retains a stale reference that no longer resolves. A shared-agent editor can destroy files that the owner uses across multiple agents. The owner's private agents — which the attacker has no access to — break silently with stale references. This is a cross-agent integrity violation: editing access to one agent should not affect another. Version 0.8.4 contains a patch.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe librechat/librechatversion unspecified
  • stated librechat<= 0.8.3

How to fix CVE-2026-44654

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-44654. EPSS is 0.40%. Act only if a listed version of LibreChat is an enhanced is installed.

Which versions are affected?

Compare what you have installed with <= 0.8.3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-863: Incorrect Authorization. EPSS 0.40%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 2, 2026 · NIST NVD

    Detected

    LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, a shared-agent editor can delete file records through that the owner has reused across multiple agents. The deletion removes the file globally — not just from the shared agent — breaking the owner's other private agents that reference the same . The private agent retains a stale refer

  2. Jul 21, 2026 · NIST NVD

    Updated

    LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, a shared-agent editor can delete file records through that the owner has reused across multiple agents. The deletion removes the file globally — not just from the shared agent — breaking the owner's other private agents that reference the same . The private agent retains a stale refer

Sources

  • CVE.orgVulnerability recordCVE-2026-44654

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-44654

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-2026-44654

    LibreChat is an enhanced ChatGPT clone that supports multiple AI providers. In versions up to and including 0.8.3, a shared-agent editor can delete file records through that the owner has reused across multiple agents. The deletion removes the file globally —

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.