PYSEC-2026-1533

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Import Source
https://github.com/pypa/advisory-database/blob/main/vulns/letta/PYSEC-2026-1533.yaml
JSON Data
https://api.osv.dev/v1/vulns/PYSEC-2026-1533
Aliases
Published
2026-07-07T14:34:48.177758Z
Modified
2026-07-07T17:46:51.282023731Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
Summary
Letta (previously MemGPT) incorrect access control vulnerability
Details

Incorrect access control in the /users endpoint of Cpacker MemGPT v0.3.17 allows attackers to access sensitive data.

References

Affected packages

PyPI / letta

Package

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Last affected
0.3.17

Affected versions

0.*
0.1.0
0.1.1
0.1.2
0.1.3
0.1.4
0.1.5
0.1.6

Database specific

source
"https://github.com/pypa/advisory-database/blob/main/vulns/letta/PYSEC-2026-1533.yaml"