Home/CVE/Apache Airflow, versions before 2.6.3, has a vulnerability where an authenticated user can use crafted input to make the
CVE

CVE-2023-36543

Apache Airflow, versions before 2.6.3, has a vulnerability where an authenticated user can use crafted input to make the

Apache Airflow, versions before 2.6.3, has a vulnerability where an authenticated user can use crafted input to make the current request hang. It is recommended to upgrade to a version that is not affected.

MEDIUM · CVSS 6.5 EPSS 0.00804
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-1333Inefficient Regular Expression Complexity
CWE-1333Inefficient Regular Expression Complexity
▤

Affected Products & Versions

1
apache airflow< 2.6.3
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
PyPI apache-airflow HIGH fixed in 2.6.3
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · security@apache.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Jul 2023 · 10:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/apache/airflow/pull/32060Patch
https://lists.apache.org/thread/tokfs980504ylgk3cv3hjlnrtbv4tng4Mailing ListPatchVendor Advisory
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