CVE-2026-35561: Insufficient authentication security controls in the browser-based authentication components in Amazon Athena
CVE-2026-35561 is a high-severity flaw (CVSS 7.4) affecting athena odbc. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.4 (High) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.5% (top 57%) |
| CISA exploited list | No |
| Weakness | CWE-862 |
| 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-2026-35561?
athena odbc: upgrade to 2.1.0.0. Exact commands for each OS are on this page.
Is CVE-2026-35561 being exploited?
CVE-2026-35561 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-2026-35561 affect?
CVE-2026-35561 affects athena odbc. Severity is high (CVSS 7.4). 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 protectio
How urgent is CVE-2026-35561?
Priority 47/100. High severity; Remotely exploitable, no login, no user action; On your watchlist
Related CVEs
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