A bug in Apache Airflow's bulk Task Instances API (PATCH/DELETE /api/v2/dags/{dag_id}/dagRuns/{dag_run_id}/taskInstances) evaluated authorization against the dag_id resolved from the URL path while operating on the dag_id / dag_run_id extracted from request-body entity fields. An authenticated UI/API user with edit permission on one Dag could mutate Task Instance state in any other Dag by keeping the authorized Dag's ID in the URL path and naming the target Dag's IDs in the request body entities. Affects deployments that rely on per-Dag edit-scope to keep Task Instance state isolated between teams. Users are advised to upgrade to apache-airflow 3.2.2 or later.
CVE-2026-41084
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-06-01. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EG Risk
- 49(Track)EG Risk 49/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity75% × 45%Exploitation0% × 40%Automatability100% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 37.2%
- KEV
- Not listed
Published
June 1, 2026
Last Modified
July 21, 2026
Advisory Details (3)
Auto-updated Jun 6, 2026oss-security - CVE-2026-41084: Apache Airflow: API authorization bypass: bulk TaskInstances allows cross-DAG mutation
http://www.openwall.com/lists/oss-security/2026/05/31/7Fix bulk task instance rbac bypass
Fix merged in apache/airflow PR #64288 on 2026-04-04 — awaiting tagged release
https://github.com/apache/airflow/pull/64288Vendor Advisories for CVE-2026-41084(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Affected Packages
(1 across 1 ecosystem)
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| apache-airflow | 3.2.0 ... 3.2.2rc3 (8 versions) | 3.2.2 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 51× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 113 total refreshes for this CVE.
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Related CVEs(same CWE)
Same CWE
10 shownCWE-639
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- CVE-2017-20223EG 9.8CRITICAL
- CVE-2019-25487EG 9.8EPSS 94%CRITICAL
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- CVE-2020-16088EG 9.8CRITICAL
- CVE-2019-15310EG 9.8EPSS 94%CRITICAL
- CVE-2020-11658EG 9.8CRITICAL
- CVE-2019-15913EG 9.8CRITICAL
- CVE-2019-16340EG 9.8EPSS 97%CRITICAL
- CVE-2019-13360EG 9.8EPSS 98%CRITICAL
Frequently asked(5)
What is CVE-2026-41084?
When was CVE-2026-41084 disclosed?
Is CVE-2026-41084 actively exploited?
What is the CVSS score of CVE-2026-41084?
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Dependency Blast Radius
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