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CVE-2026-34538: Exposure of Resource to Wrong Sphere

🗓️ 09 Apr 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 6 Views

Viewer role users can access XCom results via DagRun wait endpoint in Airflow 3.0.0-3.1.8.

Related
Refs
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attackerkb
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CVE-2026-34538
9 Apr 202609:09
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14 Apr 202619:17
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circl
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cnnvd
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9 Apr 202600:00
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cve
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9 Apr 202609:09
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cvelist
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CVE-2026-34538 Apache Airflow: Authorization bypass in DagRun wait endpoint (XCom exposure)
9 Apr 202609:09
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euvd
EUVD
EUVD-2026-20878
9 Apr 202612:31
–euvd
github
Github Security Blog
Apache Airflow has an authorization bypass in DagRun wait endpoint
9 Apr 202612:31
–github
mend
Mend
CVE-2026-34538
9 Apr 202609:09
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nvd
NVD
CVE-2026-34538
9 Apr 202610:16
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15 Apr 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5
EPSS0.00685
SSVC
6