PatchTheCVECVE-2026-35558: Improper neutralization of special elements in the authentication components in Amazon Athena ODBC driver befo
CVE-2026-35558 is a high-severity flaw (CVSS 7.8) affecting athena odbc. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.3% (top 80%) |
| CISA exploited list | No |
| Weakness | CWE-77 |
| Published | 2026-04-03 |
| Last modified | 2026-10-20 |
Last updated 2026-10-20 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-35558?
athena odbc: upgrade to 2.1.0.0. Exact commands for each OS are on this page.
Is CVE-2026-35558 being exploited?
CVE-2026-35558 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-35558 affect?
CVE-2026-35558 affects athena odbc. Severity is high (CVSS 7.8). 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 connec
How urgent is CVE-2026-35558?
Priority 37/100. High severity; On your watchlist
Related CVEs
- CVE-2026-5485 HIGH 7.8 UPGRADE OS command injection in the browser-based authentication component in Amazon Athena ODBC driver before 2.0.5.1
- CVE-2026-35562 HIGH 7.5 UPGRADE Allocation of resources without limits in the parsing components in Amazon Athena ODBC driver before 2.1.0.0 m
- CVE-2026-35561 HIGH 7.4 UPGRADE Insufficient authentication security controls in the browser-based authentication components in Amazon Athena
- CVE-2026-35560 HIGH 7.4 UPGRADE Improper certificate validation in the identity provider connection components in Amazon Athena ODBC driver be
- CVE-2026-35559 MEDIUM 6.5 UPGRADE Out-of-bounds write in the query processing components in Amazon Athena ODBC driver before 2.1.0.0 might allow