Users are recommended to upgrade to Apache Airflow 3.2.0, which resolves this issue.
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-mc4f-r875-v87w | Apache Airflow: Unsafe Deserialization via Legacy Serialization Keys (__type/__var) Bypass in XCom API |
Fri, 17 Apr 2026 18:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| CPEs | cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:* |
Tue, 14 Apr 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Apache
Apache airflow |
|
| Vendors & Products |
Apache
Apache airflow |
Mon, 13 Apr 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Mon, 13 Apr 2026 16:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
|
Mon, 13 Apr 2026 15:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Dag Authors, who normally should not be able to execute code in the webserver context could craft XCom payload causing the webserver to execute arbitrary code. Since Dag Authors are already highly trusted, severity of this issue is Low. Users are recommended to upgrade to Apache Airflow 3.2.0, which resolves this issue. | |
| Title | Apache Airflow: Unsafe Deserialization via Legacy Serialization Keys (__type/__var) Bypass in XCom API | |
| Weaknesses | CWE-502 | |
| References |
|
Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-04-14T03:55:30.291Z
Reserved: 2026-03-24T09:30:31.093Z
Link: CVE-2026-33858
Updated: 2026-04-13T16:26:57.075Z
Status : Analyzed
Published: 2026-04-13T15:17:33.343
Modified: 2026-04-17T18:40:56.003
Link: CVE-2026-33858
No data.
OpenCVE Enrichment
Updated: 2026-04-14T16:34:17Z
Github GHSA