Is CVE-2026-42526 in the CISA KEV catalog?

No. CVE-2026-42526 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-42526?

CVE-2026-42526 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2026-42526?

CVE-2026-42526 has an EPSS score of 0.41% (33th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-42526?

Upgrade airflow providers amazon to 9.28.0 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2026-42526

MEDIUM

5.3

CVSS v3

NVD

Description

In the AWS Secrets Manager and SSM Parameter Store secrets backends of `apache-airflow-providers-amazon` prior to 9.28.0, the team-scoping logic could resolve a `conn_id` containing a `/` (e.g. `"my_team/conn"`) to the same path as another team's team-scoped secret when the caller had no team context. A privileged caller without team context could therefore retrieve another team's secret by crafting a colliding `conn_id`. Fixed in 9.28.0 by switching the team-scope separator to `--` and rejecting team-shaped `conn_id`s when team context is absent. Affects the experimental multi-tenant teams feature only. Users are recommended to upgrade to `apache-airflow-providers-amazon` 9.28.0, which fixes the issue.

CWE-863Incorrect Authorization

How to fix

Remediation Available

airflow providers amazonNVD

Affected:< 9.28.0Fixed in:9.28.0CVE-2026-42526derived from NVD

apache-airflow-providers-amazonNVD

Affected:< 9.28.0Fixed in:9.28.0CVE-2026-42526derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.41%probability of exploitation in 30 days

33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

Patch1

github.com

Vendor Advisory1

lists.apache.org

Third-Party Advisory1

openwall.com

Related Vulnerabilities

Other CWE-863 (Incorrect Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-22518	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-38035	Critical	9.8	100%	KEV + Ransom	-
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2025-29927	Critical	9.1	100%	-	Fix
CVE-2024-38856	Critical	9.8	99%	KEV	Fix
CVE-2020-36289	Medium	5.3	99%	-	Fix

Embed a live status badge for CVE-2026-42526

Markdown

[![CVE-2026-42526](https://tridentstack.com/cve/badge/CVE-2026-42526.svg)](https://tridentstack.com/cve/CVE-2026-42526)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-42526"><img src="https://tridentstack.com/cve/badge/CVE-2026-42526.svg" alt="CVE-2026-42526"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-07-02.