Apache Airflow HashiCorp provider: HashiCorp Vault secrets backend: team-scope guard bypass via user-controlled key

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-97636
StatePUBLISHED
Assignerapache
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-24 22:17:02 UTC
Updated2026-09-24 22:17:02 UTC
DescriptionApache Airflow HashiCorp provider: the HashiCorp Vault secrets backend's team-scope guard can be bypassed with a user-controlled key. In a multi-team deployment, a Dag author scoped to one team can supply a Variable key containing a path separator that causes the backend to resolve a secret belonging to a different team, because after the team-scoped lookup misses the backend falls back to a team-agnostic path concatenated from the unvalidated key. The Execution API Variables route accepts a path-shaped key, so this is reachable from ordinary Dag code. Affects multi-team deployments using the HashiCorp Vault secrets backend. Single-team deployments are not affected, as there is no cross-team boundary to cross. This is the same class as CVE-2026-86465, CVE-2026-68870, CVE-2026-68871 and CVE-2026-68872 in the Akeyless, Azure Key Vault, Yandex Lockbox and Amazon secrets backends. Users of apache-airflow-providers-hashicorp are recommended to upgrade to version 4.8.0 or later, which fixes the issue.

Risk And Classification

Problem Types: CWE-639 | CWE-639 CWE-639: Authorization Bypass Through User-Controlled Key

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Apache Software Foundation Apache Airflow HashiCorp Provider affected 4.6.0 4.8.0 semver Not specified

References

ReferenceSourceLinkTags
www.cve.org/CVERecord [email protected] www.cve.org
lists.apache.org/thread/l0fogo9dh5v07vnsxnhoh3c74othkr51 [email protected] lists.apache.org
www.cve.org/CVERecord [email protected] www.cve.org
github.com/apache/airflow/pull/70006 [email protected] github.com
www.cve.org/CVERecord [email protected] www.cve.org
www.cve.org/CVERecord [email protected] www.cve.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: ReturnZero (en)

CNA: Bas Harenslak (en)

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