CVE-2026-49092: Unintended Proxy or Intermediary ('Confused Deputy') (CWE-441) in Kibana can lead to unauthorized information exposure via Accessing Functionality Not Properly Constrained by ACLs

mediumCVSS 4.3CVE-2026-49092

Unintended Proxy or Intermediary ('Confused Deputy') (CWE-441) in Kibana can lead to unauthorized information exposure via Accessing Functionality Not Properly Constrained by ACLs (CAPEC-1). Under certain conditions, a lower-privileged user can cause data from sources they are not authorized to access to be processed using another user's privileges.

Details

Source: NVD Recent CVEs (US · database · site)
Severity: medium — CVSS 4.3
Published: 2026-07-21
Last updated: 2026-07-22
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-49092

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-2026-490920.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-49092	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

medium[NEW] [medium] Kibana: Multiple vulnerabilitiescert-bund
unknownMultiple vulnerabilities in Elastic products (July 22, 2026)cert-fr-avis

Recent advisories for Unintended Proxy or

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.

criticalCVE-2026-42933: Pronetiqs IntraVUE versions 3.2.1a14 and prior have an unintended proxy or intermediary vulner…nvd · 2026-07-23
mediumCVE-2026-49086: Improper Input Validation, Unintended Proxy or Intermediary ('Confused Deputy') vulnerability …nvd · 2026-07-06
highCVE-2026-46592: Improper Input Validation, Unintended Proxy or Intermediary ('Confused Deputy') vulnerability …nvd · 2026-07-06