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CVE-2026-31943

🗓️ 27 Mar 2026 19:21:50Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 9 Views

LibreChat server forgery bypass via IPv4 mapped IPv6 in isPrivateIP; authenticated users access internal resources; fixed 0.8.3.

Related
Detection
Affected
Refs
NVD
Vulners
Node
OR
librechatlibrechatMatch0.8.3rc1
OR
librechatlibrechatMatch0.8.3rc2
[
  {
    "vendor": "danny-avila",
    "product": "LibreChat",
    "versions": [
      {
        "version": "< 0.8.3",
        "status": "affected"
      }
    ]
  }
]

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17 Jun 2026 10:34Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.18.5
EPSS0.00213
SSVC
9