How severe is CVE-2026-35559?

CVE-2026-35559 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-35559 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-35559?

CVE-2026-35559 affects Amazon Athena Odbc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-35559?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-35559 have an EU (EUVD) identifier?

Yes. CVE-2026-35559 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18853.

When was CVE-2026-35559 published?

CVE-2026-35559 was published on 2026-04-03 and last updated on 2026-06-17.

CVE-2026-35559

CVE-2026-35559 is a medium-severity vulnerability in Amazon Athena Odbc with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v4: 7.1
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-18853
Weakness: CWE-787
Affected product: Amazon Athena Odbc
Published: 2026-04-03
Last modified: 2026-06-17

Description

Out-of-bounds write in the query processing components in Amazon Athena ODBC driver before 2.1.0.0 might allow a threat actor to crash the driver by using specially crafted data that is processed by the driver during query operations. To remediate this issue, users should upgrade to version 2.1.0.0.

Frequently asked questions

What is CVE-2026-35559?: Out-of-bounds write in the query processing components in Amazon Athena ODBC driver before 2.1.0.0 might allow a threat actor to crash the driver by using specially crafted data that is processed by the driver during query operations. To remediate this issue, users should upgrade to version 2.1.0.0.
How severe is CVE-2026-35559?: CVE-2026-35559 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-35559 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-35559?: CVE-2026-35559 affects Amazon Athena Odbc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-35559?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-35559 have an EU (EUVD) identifier?: Yes. CVE-2026-35559 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-18853.
When was CVE-2026-35559 published?: CVE-2026-35559 was published on 2026-04-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:amazon:athena_odbc:*:*:*:*:*:*:*:*

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