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MEDIUM severity

Exposure of Sensitive Information to an Unauthorized Actor in ElasticsearchGHSA-hr65-qq6p-87r4

MEDIUM

GHSA-hr65-qq6p-87r4 is a medium-severity (CVSS 5.3) Information Exposure vulnerability in org.elasticsearch:elasticsearch. A fix is available for org.elasticsearch:elasticsearch — see the affected versions and patch details below.

Also known asBIT-elasticsearch-2021-22137CVE-2021-22137
Published
Updated
Affected
2 pkgs
Patched
2 / 2
Exploits
None indexed
Exploitation data as of Nov 9, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
1.2%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs68th percentile — riskier than 68% of all scored CVEsHighest risk
0.00%0.56%1.12%1.69%0.1%1.2%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

2 pkgs affected
☕org.elasticsearch:elasticsearch☕org.elasticsearch:elasticsearch

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

In Elasticsearch versions before 7.11.2 and 6.8.15 a document disclosure flaw was found when Document or Field Level Security is used. Search queries do not properly preserve security permissions when executing certain cross-cluster search queries. This could result in the search disclosing the existence of documents the attacker should not be able to view. This could result in an attacker gaining additional insight into potentially sensitive indices.

Affected Packages

2 total 2 fixed
EcosystemPackageVulnerable rangeFix
☕Mavenorg.elasticsearch:elasticsearch≥ 7.11.0&&< 7.11.27.11.2org.elasticsearch:elasticsearch:7.11.2
☕Mavenorg.elasticsearch:elasticsearchall versions6.8.15org.elasticsearch:elasticsearch:6.8.15

Affected Products

1 product · 2 configurations
Application
elasticsearchelastic
≥ 7.11.0 && < 7.11.2
range

Detection & mitigation playbook

Open-source dependency
  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.elasticsearch:elasticsearch, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update org.elasticsearch:elasticsearch to 7.11.2 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-hr65-qq6p-87r4 is resolved across your whole dependency graph.

  3. Workarounds

    Assume what was exposed is already known: rotate any credential, token or key that the affected component could return, restrict the endpoint to callers that genuinely need it, and strip sensitive fields from responses and error output at the boundary rather than relying on the client not to read them.

Fixing This On Your OS

If you run this on a Linux distribution, patch through your package manager against the distro's own security advisory below — it tracks the exact backported fix for your release, which can ship on a different timeline (and sometimes a different severity) than the upstream project.

Red HatLow

In Elasticsearch, Document and Field Level Security is an enterprise only feature [1]. Hence the open source version is unaffected by this vulnerability. [1] https://www.elastic.co/subscriptions

ProductFixed inAdvisory
RHAF Camel-K 1.8elasticsearchRHSA-2022:6407
RHINT Camel-Q 2.7see advisoryRHSA-2022:5606

Frequently Asked Questions

In Elasticsearch versions before 7.11.2 and 6.8.15 a document disclosure flaw was found when Document or Field Level Security is used. Search queries do not properly preserve security permissions when executing certain cross-cluster search queries. This could result in the search disclosing the existence of documents the attacker should not be able to view. This could result in an attacker gaining additional insight into potentially sensitive indices.
O3 Security · Impact-Aware SCA

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Exposure of Sensitive Information to an Unauthorized…