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Back to active CVEs
High · CVSS 7.3CVE-2026-35558

Improper neutralization of special elements in authentication components in Amazon Athena ODBC driverCVE-2026-35558

Answer in brief

CVE-2026-35558 records a High severity (CVSS 7.3) vulnerability in Improper neutralization of special elements in authentication components in Amazon Athena ODBC driver. The current sources do not mark it as known exploited. The current feed maps Amazon/Amazon Athena ODBC driver (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Apr 3, 2026Updated Oct 20, 2026Source checked Oct 20, 2026First seen by HOL Oct 20, 2026Material review Oct 20, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 7.3
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 7.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Amazon/Amazon Athena ODBC driver (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Amazon/Amazon Athena ODBC drivergeneric>=0 <2.1.0.02.1.0.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Amazon/Amazon Athena ODBC driver.
  2. 2Review the reported fix. Update Amazon/Amazon Athena ODBC driver to 2.1.0.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Apr 3, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 20, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 20, 2026

Sources and claim methodology

  • Source referenceaws.amazon.com
  • Source referencedocs.aws.amazon.com
  • Source referencedownloads.athena.us-east-1.amazonaws.com
  • Source referencedownloads.athena.us-east-1.amazonaws.com
  • Source referencedownloads.athena.us-east-1.amazonaws.com
  • Source referencedownloads.athena.us-east-1.amazonaws.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Command Injection
EPSS
Not reported
CWE IDs
CWE-77
Source
CVE List V5
Source checked
Oct 20, 2026
References
6 linked sources
Open source record