CVE-2023-31417: Elasticsearch Insertion of sensitive information in audit logs

mediumCVSS 4.1CVE-2023-31417

CSIRTS triage

vendor: Elastic product: Elasticsearch Information disclosure

What: Sensitive information is inserted into audit logs inappropriately.
Who is affected: Elasticsearch deployments that rely on audit logs for security monitoring.
Urgency: Medium priority; information disclosure via audit logs compromises confidentiality of logged events.
Action: Upgrade Elasticsearch to a patched version that prevents sensitive data insertion into audit logs.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source: Microsoft Security Response Center (INTL · vendor-psirt · site)
Severity: medium — CVSS 4.1
Published: 2026-08-06
Exploitation: Not in CISA KEV at last sync

Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-31417

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2023-314170.23% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 14% of all EPSS-scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2023-31417	coverage & exploitation status	NVD · CVE.org

Recent advisories for Elasticsearch Insertion of

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

mediumCVE-2025-37727: Elasticsearch Insertion of sensitive information in log filemsrc · 2026-08-06