CVE-2026-45409
2 advisories.
PyPI/idna CVE-2026-45409: medium 5.3
Internationalized Domain Names in Applications (IDNA): Specially crafted inputs to idna.encode() can bypass CVE-2024-3651 fix
Action: Upgrade idna to 3.15 or later.
pip install idna==3.15Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.15 | - |
Fixed versions
| 3.15 |
Sources
- osv: GHSA-65pc-fj4g-8rjx
- https://github.com/kjd/idna/security/advisories/GHSA-65pc-fj4g-8rjx
- https://nvd.nist.gov/vuln/detail/CVE-2026-45409
- https://github.com/kjd/idna
- https://github.com/pypa/advisory-database/tree/main/vulns/idna/PYSEC-2026-215.yaml
CVE-2026-45409 · published · modified · JSON
PyPI/idna CVE-2026-45409: medium 5.3
Internationalized Domain Names in Applications (IDNA) for Python provides support for Internationalized Domain Names in Applications (IDNA) and Unicode IDNA Compatibility Processing. In versions prior
Action: Upgrade idna to 3.15 or later.
pip install idna==3.15Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 3.15 | - |
Fixed versions
| 3.15 |
Sources
CVE-2026-45409 · published · modified · JSON