How severe is CVE-2026-18061?

CVE-2026-18061 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.

Is CVE-2026-18061 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-18061?

CVE-2026-18061 affects Amazon Advanced Jdbc Wrapper. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-18061?

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

When was CVE-2026-18061 published?

CVE-2026-18061 was published on 2026-09-11 and last updated on 2026-09-16.

CVE-2026-18061

CVE-2026-18061 is a medium-severity vulnerability in Amazon Advanced Jdbc Wrapper with a CVSS 3.x base score of 5.9. 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-611.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v4: 6.0
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-611
Affected product: Amazon Advanced Jdbc Wrapper
Published: 2026-09-11
Last modified: 2026-09-16

Description

Improper restriction of XML external entity references in the RemoteQueryCachePlugin in AWS Advanced JDBC Wrapper 3.3.0 through 4.2.0 might allow an actor with write access to the shared cache infrastructure to disclose sensitive files from application hosts that read cached query results, including stored database and IAM role credentials, via crafted XML data in a cached column value. To remediate this issue, users should upgrade to version 4.3.0 or later.

Frequently asked questions

What is CVE-2026-18061?: Improper restriction of XML external entity references in the RemoteQueryCachePlugin in AWS Advanced JDBC Wrapper 3.3.0 through 4.2.0 might allow an actor with write access to the shared cache infrastructure to disclose sensitive files from application hosts that read cached query results, including stored database and IAM role credentials, via crafted XML data in a cached column value. To remediate this issue, users should upgrade to version 4.3.0 or later.
How severe is CVE-2026-18061?: CVE-2026-18061 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability low.
Is CVE-2026-18061 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-18061?: CVE-2026-18061 affects Amazon Advanced Jdbc Wrapper. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-18061?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-18061 published?: CVE-2026-18061 was published on 2026-09-11 and last updated on 2026-09-16.

References

Affected products (1)

cpe:2.3:a:amazon:advanced_jdbc_wrapper:*:*:*:*:*:*:*:*

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