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CVE-2026-59243

The FAB auth manager's Azure AD OAuth login defaulted `verify_signature=False` when decoding the ID token, so an attacker able to present a forged or unsigned (`alg:none`) ID token to the OAuth callback could bypass authentication and log in as an arbitrary user, including one holding the Admin role (CWE-347). Deployments running the FAB auth manager with the Azure AD OAuth login path under its default configuration are affected; the Authentik path already defaulted to `True`. This issue affects
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:be99339412cb38136daf7f0cd7461fbb7a1d0e2205675d2c43ff8d60a22fb6af
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"collectionURL":"https://pypi.python.org","defaultStatus":"unaffected","packageName":"apache-airflow-providers-fab","product":"Apache Airflow FAB provider","vendor":"Apache Software Foundation","versions":[{"lessThan":"3.7.3","status":"affected","version":"0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ef6ab9cd24e0b360b73e4d6457cb4f7729ccab315be2b2905355a6c190814cfc · sha256:a8c93bed49489d3a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ef6ab9cd24e0b360b73e4d6457cb4f7729ccab315be2b2905355a6c190814cfc · sha256:a8c93bed49489d3a… · /containers/adp/1/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-347","description":"CWE-347: Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ef6ab9cd24e0b360b73e4d6457cb4f7729ccab315be2b2905355a6c190814cfc · sha256:a8c93bed49489d3a… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2026/07/28/10"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ef6ab9cd24e0b360b73e4d6457cb4f7729ccab315be2b2905355a6c190814cfc · sha256:a8c93bed49489d3a… · /containers/adp/0/references/0
{"tags":["patch"],"url":"https://github.com/apache/airflow/pull/69374"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ef6ab9cd24e0b360b73e4d6457cb4f7729ccab315be2b2905355a6c190814cfc · sha256:a8c93bed49489d3a… · /containers/cna/references/0
{"tags":["vendor-advisory"],"url":"https://lists.apache.org/thread/x4784l7z00tl3gw4tv2dmvoon77rxgpl"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ef6ab9cd24e0b360b73e4d6457cb4f7729ccab315be2b2905355a6c190814cfc · sha256:a8c93bed49489d3a… · /containers/cna/references/1

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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