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CVE-2026-77938

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cve id
CVE-2026-77938
published
2026-10-20T01:17:20.410
last modified
2026-10-20T01:17:20.410
status
Received
description
Letta through 0.16.8 contains an information disclosure vulnerability that allows users running tools to read server secrets because LocalSandbox subprocesses inherit the full server environment. Attackers can run code via POST /v1/tools/run or custom tools to read LETTA_PG_URI, POSTGRES_PASSWORD, and provider API keys, then access cross-tenant database data.
cvss score
6.5
cvss severity
MEDIUM
cvss vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
cwes
CWE-526
cpe count
0
Verify at NIST National Vulnerability Database ↗
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Cite this record

CVE-2026-77938 — MEDIUM. NIST, via Voidly Atlas — Surveillance & Digital-Rights Watch. Retrieved 2026-10-20, https://voidly.ai/atlas/federal/nvd-cves/CVE-2026-77938

@misc{voidly_nvd_cves_CVE202677938,
  title        = {CVE-2026-77938 — MEDIUM},
  author       = {{Voidly}},
  howpublished = {\url{https://voidly.ai/atlas/federal/nvd-cves/CVE-2026-77938}},
  note         = {Source: NIST National Vulnerability Database, https://nvd.nist.gov/vuln/detail/CVE-2026-77938. Public domain (17 U.S.C. §105); re-surfaced under CC BY 4.0},
  urldate      = {2026-10-20},
  year         = {2026}
}

Also available as JSON/BibTeX/APA: API record. Source data is U.S. federal public domain (17 U.S.C. §105). Re-surfaced by Voidly under CC BY 4.0.