Improper Certificate Validation Affecting airflow-3 package, versions <3.3.0-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-MINIMOSLATEST-AIRFLOW3-18521387
- published5 Aug 2026
- disclosed3 Aug 2026
Introduced: 3 Aug 2026
NewCVE-2026-69248 (opens in a new tab)How to fix?
Upgrade Minimos:latest airflow-3 to version 3.3.0-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream airflow-3 package and not the airflow-3 package as distributed by Minimos.
See How to fix? for Minimos:latest relevant fixed versions and status.
cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. Prior to 49.0.0, if an intermediate constrained CA permits the DNS name foo.example.com, and the leaf certificate has a wildcard in its DNS SAN of *.example.com, python-cryptography's verifier accepts which allows escaping outside of the permitted names. The core issue is in DNSConstraint::matches, where a wildcard pattern was treated as matching a more-specific permitted constraint even though *.example.com can expand to sibling names such as bar.example.com outside foo.example.com. This allows acceptance of an invalid certificate chain. This issue is fixed in 49.0.0.
References
- https://www.cve.org/CVERecord?id=CVE-2026-69248
- https://github.com/advisories/GHSA-m2h6-j472-rp4c
- https://osv.dev/vulnerability/MINI-gmr6-wm7j-3j34
- https://osv.dev/vulnerability/CVE-2026-69248
- https://github.com/pyca/cryptography/commit/4d035a4225965edeffd312079a510ef25fcfdcb2
- https://github.com/pyca/cryptography/pull/14888
- https://github.com/pyca/cryptography/security/advisories/GHSA-m2h6-j472-rp4c