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CVE-2026-76185— Apache Airflow Task SDK: Task SDK SecretCache: non-injective team cache key enables cross-team secret disclosure in multi-team mode

Quick assessment

Affected
Apache Software Foundation Apache Airflow Task SDK
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Apache Airflow 的 Task SDK 在构建密钥缓存时，使用未转义的 作为分隔符，将团队名称与密钥 ID 组合生成缓存键。这导致不同的（团队名称，密钥 ID）对可能发生哈希碰撞。在启用多团队的部署环境中，DAG 作者可通过构造发生碰撞的密钥 ID，读取其他团队的变量（Variable）或连接（Connection）值。 仅当同时满足以下两个配置条件时，系统才会受到影响： 建议用户将 Apache Airflow 升级至 3.4.0 或更高版本。对于暂时无法升级的部署，可通过设置 来规避此风险。

AI Predicted 6.5 Difficulty: Moderate
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I. Basic Information for CVE-2026-76185

Vulnerability Information
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Vulnerability Title
Apache Airflow Task SDK: Task SDK SecretCache: non-injective team cache key enables cross-team secret disclosure in multi-team mode
Source: CVE Program / CVE List V5
Vulnerability Description
Apache Airflow's Task SDK secret cache built its keys from the team name and secret id with unescaped `_` delimiters, so different (team, secret id) pairs could collide. In multi-team deployments a Dag author could read another team's Variable or Connection value by crafting a colliding secret id. Only deployments with both `core.multi_team = True` and `secrets.use_cache = True` are affected. Users are advised to upgrade to apache-airflow 3.4.0 or later. Deployments that cannot upgrade can set `secrets.use_cache = False`.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
将资源暴露给错误范围
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Apache Software Foundation Apache Airflow Task SDK 1.2.0 ~ 1.4.0 -

II. Public POCs for CVE-2026-76185

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III. Intelligence Information for CVE-2026-76185

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Other References for CVE-2026-76185 (2)

Same Patch Batch · Apache Software Foundation · 2026-11-09 · 28 CVEs total

CVE-2026-86829 Apache Airflow: Deserialization of task-controlled XCom values in the Scheduler during dep
CVE-2026-111455 Apache Airflow: Connections API: async connection test authorizes create at enqueue but ov
CVE-2026-111454 Apache Airflow: API: asset endpoints return scheduled/producing/consuming Dag IDs the call
CVE-2026-111453 Apache Airflow: API: asset queuedEvents DELETE checks Dag edit on a ?dag_id query value bu
CVE-2026-111452 Apache Airflow: Secrets masker: camelCase key names (privateKey, connectionString, webhook
CVE-2026-111421 Apache Airflow: Execution API: set_xcom skips the reserved-key check, so task-written XCom
CVE-2026-111395 Apache Airflow: Reserved serialization keys in Dag run conf crash the scheduler or are reb
CVE-2026-107474 Apache Airflow: Connections API: apprise connection "config" extra returned in cleartext
CVE-2026-113504 Apache Airflow: Secrets masker: pattern-based masking bounded at depth 5 returns deeply-ne
CVE-2026-101031 Apache Airflow: Shell command injection in the example_dag_decorator example Dag via an IP
CVE-2026-113508 Apache Airflow: Logout token revocation fails open; errors silently swallowed
CVE-2026-96285 Apache Airflow: Scheduler: next_kwargs deserialized before the dict check, so resume data
CVE-2026-86468 Apache Airflow: CLI argv masking misses Variable values and --conn-extra, persisting secre
CVE-2026-82337 Apache Airflow: DeadlineAlert fields bypass plugin-registration gate for scheduler-side de
CVE-2026-120367 Apache Axis2/Java: unbounded JSON request body buffering
CVE-2026-68982 Apache Airflow: CeleryExecutor: forged callback workloads run on Celery workers without wo
CVE-2026-50204 Apache Airflow: Audit-log secrets masker redacts by key name only, persisting connection a
CVE-2026-40913 Apache Airflow: Import Errors API Leaks Unauthorized DAG Stack Traces via Incomplete Per-F
CVE-2026-82440 Apache Storm Nimbus: Submitter-Controlled Class Instantiation in Nimbus via a Fail-Open Sc
CVE-2026-82436 Apache Storm Client: Deserialization of Untrusted Data from the State Store

Showing top 20 of 28 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same vendor: Apache Software Foundation
Same weakness: CWE-668