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Report · AWS Security BulletinsAbout CVE-2026-11400Published Updated

aws-advanced-jdbc-wrapper · CVE-2026-11400 and CVE-2026-11401

Affects aws-advanced-jdbc-wrapperSource AWS Security Bulletins

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Mentioned vulnerabilities

Authoritative record:CVE-2026-11400· High 8.0

Not known to be exploited · CVSS 8.0 High : upgrade to 4.0.1 soon.

Data as of 8 Nov 2026, 23:24 UTC

CVSS 3.1 base score
8.0High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 42% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 4.0.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 5 Jun 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 8 Nov 2026.

What to do

Upgrade com.amazonaws/aws-advanced-jdbc-wrapper to 4.0.1.

Affected software

ProductAffectedFixed in
Mavencom.amazonaws/aws-advanced-jdbc-wrapperpkg:maven/com.amazonaws/aws-advanced-jdbc-wrapperOther threatsAffected
  • 3.0.0 <4.0.1
Fixed in
  • 4.0.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

AWS has released fixed versions that address these vulnerabilities: AWS Advanced JDBC Wrapper version 4.0.1 and AWS Advanced Go Wrapper release 2026-05-26. It is recommended to upgrade to these versions promptly. Additionally, any forked or derivative code should be patched to incorporate these fixes. As a temporary workaround, removing the public schema from the search path can reduce risk until upgrades are applied.

Description

Bulletin ID: 2026-039-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 06/025/2026 12:15 PM PDT Description: Amazon Aurora PostgreSQL a fully managed relational database engine that's compatible with PostgreSQL. We identified CVE-2026-11400(JDBC) and CVE-2026-11401(Go), an issue in AWS Wrappers for Amazon Aurora PostgreSQL will allow for privilege escalation to rds_superuser role. A low privilege authenticated user can create a crafted function that could be executed with permissions of other Amazon Relational Database Service (RDS) users. Impacted versions: - AWS Advanced JDBC Wrapper >=3.0.0 and < 4.0.1 - AWS Advanced Go Wrapper release 2026-04-06 Please refer to the article below for the most up-to-date and complete information related to this AWS Security Bulletin.

References

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