CVE-2026-33858

HIGH EPSS 43.9%
Published Apr 13, 20262mo ago · Modified Jun 17, 20262w ago
8.8 CVSS 3.1
High
Find Similar
Published Apr 13, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
43.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-502 Deserialization of Untrusted Data Validation

Affected Products 1

VendorProductVersionRange
apacheairflow*≥3.1.8  –  <3.2.0

References 3

  • openwall.com http://www.openwall.com/lists/oss-security/2026/04/13/7
    Mailing ListThird Party Advisory
  • github.com https://github.com/apache/airflow/pull/64148
    Issue Tracking
  • lists.apache.org https://lists.apache.org/thread/1npt3o2x81s0gw9tmfcv4n7p1z9hdmy0
    Mailing ListVendor Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.