Apache Airflow: CeleryExecutor flaw

Apache Airflow

Apache Airflow's CeleryExecutor runs callback workloads without validating the workload's authentication token. Affected versions: before 3.4.0.

Do this now

Upgrade apache-airflow-core to 3.4.0.

Who should check: teams running Python, ML infra and 1 more

Fix it

pip install --upgrade "apache-airflow-core>=3.4.0"

First seen: 9 Nov 2026
Last update: 13 Nov 2026, 07:21 UTC
Fixed in: apache-airflow-core 3.4.0
Identifiers: CVE-2026-68982
CVSS: 7.3
Source: news
On the menu as: Python
ML infra
PyPI packages

Check this repository for exposure to one security incident from pwned.coffee. Report first, change nothing until I say so.

## Apache Airflow: CeleryExecutor flaw
Severity: high. Patch status: patched.
Affected: Apache Airflow
Fixed in: apache-airflow-core 3.4.0
Ids: CVE-2026-68982

Apache Airflow's CeleryExecutor runs callback workloads without validating the workload's authentication token. Affected versions: before 3.4.0.

## Steps
1. Search every lockfile and manifest (package-lock.json, yarn.lock, pnpm-lock.yaml, requirements*.txt, poetry.lock, uv.lock, composer.lock, go.sum, Cargo.lock, Gemfile.lock) for `apache-airflow-core`. For each hit, compare the installed version with the fix on the same major line: apache-airflow-core 3.4.0. If it's lower, give the exact upgrade command for the package manager this repo uses.

## Fix by release line
| Line | State | Fix | Until then |
|---|---|---|---|
| apache-airflow-core | fixed | 3.4.0 | — |

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve("CVE-2026-68982") for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: https://seclists.org/oss-sec/2026/q4/585
https://pwned.coffee/i/apache-airflow-celeryexecutor-flaw-cve-2026-68982

Timeline

10 Nov 2026, 06:18 UTC
Fix status: unknown → patched.
9 Nov 2026, 06:17 UTC
Fix status: patched → unknown.
9 Nov 2026
First reported.

Receipt

Exploitation: No known exploitation
Fix by release line: Product Affected Fixed in Source
apache-airflow-core (pip) before 3.4.0 3.4.0 CVE record (CNA) checked 13 Nov
Score: CVSS 7.3 (high). CVSS 3.1 7.3 (CISA ADP) for CVE-2026-68982
Last checked: 13 Nov 2026, 16:26 UTC

Product	Affected	Fixed in	Source
apache-airflow-core (pip)	before 3.4.0	3.4.0	CVE record (CNA) checked 13 Nov

Sources: KEV – CVE record ✓ Vendor ✓

Sources

seclists.org: CVE-2026-68982: Apache Airflow: CeleryExecutor: forged callback workloads run on Celery workers without workload-token validation

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