Multiple vulnerabilities in Elastic products (July 2, 2026)
Multiple vulnerabilities have been discovered in Elastic products. Some of them allow an attacker to cause a remote denial of service, a breach of data confidentiality, and a breach of data integrity.
CSIRTS triage
- What
- Multiple vulnerabilities allow for remote denial of service and breaches of data confidentiality and integrity.
- Who is affected
- Users of Elastic products are affected.
- Urgency
- Remediation is urgent due to the potential for remote exploitation.
- Action
- Apply patches or mitigations as provided by Elastic.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0826/
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-2026-490910.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all scored CVEs.
- Low exploitation riskCVE-2026-561500.31% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 23% of all scored CVEs.
- Low exploitation riskCVE-2026-561510.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all scored CVEs.
- Low exploitation riskCVE-2026-490900.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 16% of all scored CVEs.
- Low exploitation riskCVE-2026-322830.62% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 46% of all scored CVEs.
- Low exploitation riskCVE-2026-561490.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all scored CVEs.
- Low exploitation riskCVE-2026-561520.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 8% of all scored CVEs.
- Low exploitation riskCVE-2026-561480.31% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 23% of all scored CVEs.
- Low exploitation riskCVE-2026-490880.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-49091 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-56150 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-56151 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-49090 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-32283 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-56149 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-56152 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-56148 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-49089 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-49088 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-49087 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- high[UPDATE] [high] Golang Go: Multiple vulnerabilitiescert-bund
- high[NEW] [high] Kibana: Multiple vulnerabilitiescert-bund
- medium[NEW] [medium] Elasticsearch: Multiple vulnerabilities allow denial of servicecert-bund
- medium[NEW] [medium] Fleet: Vulnerability allows Denial of Servicecert-bund
- mediumCVE-2026-49090: Uncontrolled Resource Consumption in Elasticsearch Leading to Denial of Servicemsrc
- mediumCVE-2026-56149: Allocation of Resources Without Limits or Throttling in Elasticsearch Leading to Denial of Ser…msrc
- highCVE-2026-49091: Improper Output Neutralization for Logs (CWE-117) in Kibana can lead to log injection via Log …nvd
- mediumCVE-2026-49090: Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to a denial of service v…nvd
- mediumCVE-2026-56152: Incorrect Authorization (CWE-863) in Elastic Defend can lead to unauthorized information discl…nvd
- mediumCVE-2026-56151: Improper Input Validation (CWE-20) in Kibana can lead to a denial of service via Input Data Ma…nvd
- mediumCVE-2026-56150: Allocation of Resources Without Limits or Throttling (CWE-770) in Fleet Server can lead to a d…nvd
- mediumCVE-2026-56149: Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to a …nvd
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