Critical severity · published Apr 3, 2026
CVE-2026-35561
Insufficient authentication security controls in browser-based authentication components in Amazon Athena ODBC driver
9.8
CVSS
0.5%
EPSS
No
On KEV
Description
Insufficient authentication security controls in the browser-based authentication components in Amazon Athena ODBC driver before 2.1.0.0 might allow a threat actor to intercept or hijack authentication sessions due to insufficient protections in the browser-based authentication flows.
To remediate this issue, users should upgrade to version 2.1.0.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AA
Amazon Athena ODBC driver · Amazon
before 2.1.0.0 · source: vendor
AO
Athena Odbc · Amazon
before 2.1.0.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-35561
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-35561
Vendor Advisory
https://aws.amazon.com/security/security-bulletins/2026-013-aws/
Release Notes
https://docs.aws.amazon.com/athena/latest/ug/odbc-v2-driver-release-notes.html
Patch
https://downloads.athena.us-east-1.amazonaws.com/drivers/ODBC/v2.1.0.0/Linux/AmazonAthenaODBC-2.1.0.0.rpm
Patch
https://downloads.athena.us-east-1.amazonaws.com/drivers/ODBC/v2.1.0.0/Mac/Intel/AmazonAthenaODBC-2.1.0.0_x86.pkg
Patch
https://downloads.athena.us-east-1.amazonaws.com/drivers/ODBC/v2.1.0.0/Mac/arm/AmazonAthenaODBC-2.1.0.0_arm.pkg
Patch
https://downloads.athena.us-east-1.amazonaws.com/drivers/ODBC/v2.1.0.0/Windows/AmazonAthenaODBC-2.1.0.0.msi
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