High severity · published Apr 3, 2026
CVE-2026-35558
Improper neutralization of special elements in authentication components in Amazon Athena ODBC driver
7.8
CVSS
0.3%
EPSS
No
On KEV
Description
Improper neutralization of special elements in the authentication components in Amazon Athena ODBC driver before 2.1.0.0 might allow a threat actor to execute arbitrary code or redirect authentication flows by using specially crafted connection parameters that are processed by the driver during user-initiated authentication.
To remediate this issue, users should upgrade to version 2.1.0.0.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% 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-2026-35558
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-35558
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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