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Medium, CVSS 6.5

OpenSearch StackOverflow vulnerability

GHSA-6g3j-p5g6-992f

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (org.opensearch:opensearch 2.11.1, 1.3.14), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
6.5 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
No dated EPSS signal available.
Source description

As published by the source; long descriptions are shortened.

Impact A flaw was discovered in OpenSearch, affecting the search API that allowed a specially crafted query string to cause a Stack Overflow and ultimately a Denial of Service. The issue was identified by Elastic Engineering and corresponds to security advisory ESA-2023-14 (CVE-2023-31419). Mitigation Versions 1.3.14 and 2.11.1 contain a fix for this issue. For more information If you have any questions or comments about this advisory, please contact AWS/Amazon Security via our issue reporting page (https://aws.amazon.com/security/vulnerability-reporting/) or directly via email to aws-security@amazon.com. Please do not create a public GitHub issue.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-6g3j-p5g6-992f

Agent brief

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# Patch Next advisory brief: GHSA-6g3j-p5g6-992f

Advisory: OpenSearch StackOverflow vulnerability
IDs: GHSA-6g3j-p5g6-992f
Record: https://patchnext.com/advisories/ghsa-6g3j-p5g6-992f (revision 1, source checked 26 Oct 2026, 16:20 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Medium (CVSS 6.5)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: org.opensearch:opensearch 2.11.1, 1.3.14. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven org.opensearch:opensearch: affected < 1.3.14; >= 2.0.0, < 2.11.1; fixed in 2.11.1, 1.3.14

## Suggested inspection (read-only)
- Maven org.opensearch:opensearch: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on org.opensearch:opensearch.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-6g3j-p5g6-992f (GitHub-reviewed advisory GHSA-6g3j-p5g6-992f lists affected ranges: Maven org.opensearch:opensearch >=0 =2.0.0 <2.11.1)

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