The vulnerability of the FAB (Flask App Builder) authentication manager of the Apache Airflow network software allows a malicious individual to escalate their privileges and gain unauthorized access to protected information.
🗓️ 30 Jul 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 5 Views
| Reporter | Title | Published | Views | Family All 11 |
|---|---|---|---|---|
 | CVE-2026-59243 | 29 Jul 202608:35 | – | attackerkb |
 | CVE-2026-59243 | 28 Jul 202611:02 | – | circl |
 | CVE-2026-59243 | 29 Jul 202608:35 | – | cve |
 | CVE-2026-59243 Apache Airflow FAB provider: FAB auth manager: JWT signature verification disabled by default for Azure AD OAuth (`verify_signature` defaults to `False`) | 29 Jul 202608:35 | – | cvelist |
 | Exploit for CVE-2026-59243 | 4 Aug 202620:17 | – | githubexploit |
 | EUVD-2026-50216 | 29 Jul 202608:35 | – | euvd |
 | CVE-2026-59243 | 29 Jul 202610:16 | – | nvd |
 | CLEANSTART-2026-EX36838 Security fixes in airflow-3 3.3.0-r2 | 13 Aug 202612:10 | – | osv |
 | PT-2026-65767 | 29 Jul 202600:00 | – | ptsecurity |
 | Improper Verification of Cryptographic Signature | 29 Jul 202611:46 | – | snyk |
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30 Jul 2026 00:00Current
5.5Medium risk
Vulners AI Score5.5
CVSS 39.8
CVSS 210
EPSS0.00684