Lucene search
K

CVE-2026-33858 Apache Airflow: Unsafe Deserialization via Legacy Serialization Keys (__type/__var) Bypass in XCom API

🗓️ 13 Apr 2026 14:36:30Reported by apacheType 
cvelist
 cvelist
🔗 www.cve.org👁 22 Views

Low severity Apache Airflow flaw lets Dag Authors trigger webserver code via XCom deserialization.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-42359
1 Jun 202607:49
attackerkb
ATTACKERKB
CVE-2026-33858
13 Apr 202614:36
attackerkb
Circl
CVE-2026-33858
13 Apr 202614:56
circl
CNNVD
Apache Airflow 安全漏洞
13 Apr 202600:00
cnnvd
CVE
CVE-2026-33858
13 Apr 202614:36
cve
EUVD
EUVD-2026-21978
13 Apr 202615:31
euvd
EUVD
EUVD-2026-33588
1 Jun 202607:49
euvd
Github Security Blog
Apache Airflow: Unsafe Deserialization via Legacy Serialization Keys (__type/__var) Bypass in XCom API
13 Apr 202615:31
github
NVD
CVE-2026-33858
13 Apr 202615:17
nvd
OSV
BIT-AIRFLOW-2026-33858 Apache Airflow: Unsafe Deserialization via Legacy Serialization Keys (__type/__var) Bypass in XCom API
16 Apr 202623:38
osv
Rows per page
[
  {
    "collectionURL": "https://pypi.python.org",
    "defaultStatus": "unaffected",
    "packageName": "apache-airflow",
    "product": "Apache Airflow",
    "vendor": "Apache Software Foundation",
    "versions": [
      {
        "lessThan": "3.2.0",
        "status": "affected",
        "version": "3.1.8",
        "versionType": "semver"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation