CVE-2026-46764
Last modified
CVE-2026-46764 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. The Event Log detail endpoint `GET /api/v2/eventLogs/{event_log_id}` in Apache Airflow fetched audit-log rows directly by numeric ID after only the generic Audit Log permission check, while the collection endpoint `GET /api/v2/eventLogs` applied per-Dag scoping. An authenticated UI/API user with audit-log read permission for one Dag could retrieve audit-log entries for any other Dag by guessing or enumerating the numeric event log ID. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
Description
The Event Log detail endpoint `GET /api/v2/eventLogs/{event_log_id}` in Apache Airflow fetched audit-log rows directly by numeric ID after only the generic Audit Log permission check, while the collection endpoint `GET /api/v2/eventLogs` applied per-Dag scoping. An authenticated UI/API user with audit-log read permission for one Dag could retrieve audit-log entries for any other Dag by guessing or enumerating the numeric event log ID. Affects deployments that rely on per-Dag audit-log scoping. Users are advised to upgrade to `apache-airflow` 3.2.2 or later.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Apache | Airflow | < 3.2.2 |
References
- https://github.com/apache/airflow/pull/67112Issue Tracking, Patch
- https://lists.apache.org/thread/ctrbj7q3m86g4qxmo9ponojgmzrcoqpvMailing List, Vendor Advisory
- http://www.openwall.com/lists/oss-security/2026/05/31/14Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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