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PyPI/idna CVE-2026-45409: medium 5.3, EPSS 0.41%

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==3.15

Affected

introducedfixedlast affected
03.15-

Fixed versions

3.15

Sources

CVE-2026-45409 · published · modified · JSON