PYSEC-2026-1111
See a problem?- Import Source
- https://github.com/pypa/advisory-database/blob/main/vulns/aiosmtpd/PYSEC-2026-1111.yaml
- JSON Data
- https://api.osv.dev/v1/vulns/PYSEC-2026-1111
- Aliases
- Published
- 2026-07-07T11:45:42.819390Z
- Modified
- 2026-07-07T17:46:10.952069511Z
- Severity
-
- 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
- Summary
- aiosmtpd STARTTLS unencrypted commands injection
- Details
-
Summary
Servers based on aiosmtpd accept extra unencrypted commands after STARTTLS, treating them as if they came from inside the encrypted connection. This could be exploited by a MitM attack.
References
- References
-
- https://github.com/aio-libs/aiosmtpd/security/advisories/GHSA-wgjv-9j3q-jhg8
- https://nvd.nist.gov/vuln/detail/CVE-2024-34083
- https://github.com/aio-libs/aiosmtpd/commit/b3a4a2c6ecfd228856a20d637dc383541fcdbfda
- https://github.com/aio-libs/aiosmtpd
- https://nostarttls.secvuln.info
- https://pypi.org/project/aiosmtpd
- https://github.com/advisories/GHSA-wgjv-9j3q-jhg8
Affected packages
PyPI / aiosmtpd
Package
- Name
- aiosmtpd
- View open source insights on deps.dev
- Purl
- pkg:pypi/aiosmtpd
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affectedFixed1.4.6