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CVE-2026-77938

🗓️ 20 Oct 2026 00:46:15Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 3 Views

Information disclosure in Letta allows users to read server secrets via LocalSandbox.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-77938
20 Oct 202601:21
–circl
cvelist
Cvelist
CVE-2026-77938 Letta through 0.16.8 Credential Exposure via Tool Sandbox Environment Inheritance
20 Oct 202600:46
–cvelist
euvd
EUVD
EUVD-2026-104694
20 Oct 202600:46
–euvd
mend
Mend
CVE-2026-77938
20 Oct 202600:46
–mend
nvd
NVD
CVE-2026-77938
20 Oct 202601:17
–nvd
ptsecurity
Positive Technologies
PT-2026-117956
20 Oct 202600:00
–ptsecurity
Vulners
CNA
Node
lettalettaRange≤0.16.8
[
  {
    "vendor": "letta-ai",
    "product": "letta",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThanOrEqual": "0.16.8",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "packageURL": "pkg:pypi/letta",
    "collectionURL": "https://pypi.org",
    "repo": "https://github.com/letta-ai/letta"
  }
]

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20 Oct 2026 01:17Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.16.5
CVSS 47.1
3