CVE-2026-55558
2 advisories.
PyPI/aiosmtplib CVE-2026-55558: medium 5.9
aiosmtplib: STARTTLS response injection
Action: Upgrade aiosmtplib to 5.1.2 or later.
pip install aiosmtplib==5.1.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 5.1.2 | - |
Fixed versions
| 5.1.2 |
Sources
- osv: GHSA-vxj7-4xrp-5vr4
- https://github.com/cole/aiosmtplib/security/advisories/GHSA-vxj7-4xrp-5vr4
- https://nvd.nist.gov/vuln/detail/CVE-2026-55558
- https://github.com/cole/aiosmtplib/commit/9fab7ba1361dbf7622ede1315a24be805cff09c9
- https://github.com/cole/aiosmtplib
- https://github.com/cole/aiosmtplib/releases/tag/v5.1.2
CVE-2026-55558 · published · modified · JSON
PyPI/aiosmtplib CVE-2026-55558: medium 5.9
aiosmtplib: STARTTLS response injection
Action: Upgrade aiosmtplib to 5.1.2 or later.
pip install aiosmtplib==5.1.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 5.1.2 | - |
Fixed versions
| 5.1.2 |
Sources
- osv: PYSEC-2026-3805
- https://github.com/cole/aiosmtplib/security/advisories/GHSA-vxj7-4xrp-5vr4
- https://nvd.nist.gov/vuln/detail/CVE-2026-55558
- https://github.com/cole/aiosmtplib/commit/9fab7ba1361dbf7622ede1315a24be805cff09c9
- https://github.com/cole/aiosmtplib
- https://github.com/cole/aiosmtplib/releases/tag/v5.1.2
- https://pypi.org/project/aiosmtplib
- https://github.com/advisories/GHSA-vxj7-4xrp-5vr4
CVE-2026-55558 · published · modified · JSON