Vulnerability · CVE-2026-78607
Missing Authorization (CWE-862) in the Elasticsearch custom inference service can lead to information disclosure via Privilege Abuse (CAPEC-122).
Published Sep 1, 2026 · catalog updated Sep 2, 2026 · Missing Authorization (CWE-862) in
Last checked Nov 7, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2026-78607. EPSS is 0.33%. Act only if a listed version of Missing Authorization (CWE-862) in is installed.
Gaps on this record
- The stored product name is a package slug. The name on this page is taken from the title (Missing Authorization (CWE-862) in).
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-103009 · High
- CVE-2026-103008 · Medium
- CVE-2026-103007 · High
- CVE-2026-103006 · Medium
- CVE-2026-103005 · Medium
- Severity
- High7.1
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.33%
- Remediation
- Version ranges on file
- Affected products
- cpe elastic/elasticsearch
Missing Authorization (CWE-862) in the Elasticsearch custom inference service can lead to information disclosure via Privilege Abuse (CAPEC-122). A user holding only inference execution privileges could cause outbound inference traffic to be directed to a destination of their choosing and could cause administrator-provisioned credentials to be exposed.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe elastic/elasticsearch9.5.0
- cpe elastic/elasticsearch< 8.19.19
- cpe elastic/elasticsearch< 9.3.8
- cpe elastic/elasticsearch< 9.4.4
How to fix CVE-2026-78607
Upgrade
CVE-2026-78607 lists a fix boundary at 8.19.19. Compare the installed build with that boundary before you change production.
Version check
Affected < 8.19.19
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-78607. EPSS is 0.33%. Act only if a listed version of Missing Authorization (CWE-862) in is installed.
Which versions are affected?
Compare what you have installed with 9.5.0, < 8.19.19, < 9.3.8, < 9.4.4. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-862: Missing Authorization. EPSS 0.33%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Sep 1, 2026 · Monitored products — high
Detected
Missing Authorization (CWE-862) in the Elasticsearch custom inference service can lead to information disclosure via Privilege Abuse (CAPEC-122). A user holding only inference execution privileges could cause outbound inference traffic to be directed to a destination of their choosing and could cause administrator-provisioned credentials to be exposed.
Sep 2, 2026 · Monitored products — high
Updated
Missing Authorization (CWE-862) in the Elasticsearch custom inference service can lead to information disclosure via Privilege Abuse (CAPEC-122). A user holding only inference execution privileges could cause outbound inference traffic to be directed to a destination of their choosing and could cause administrator-provisioned credentials to be exposed.
Sources
- CVE.orgVulnerability recordCVE-2026-78607
Official CVE identifier
cve.org - Monitored products — highVendor advisoryCVE-2026-78607
Missing Authorization (CWE-862) in the Elasticsearch custom inference service can lead to information disclosure via Privilege Abuse (CAPEC-122). A user holding only inference execution privileges could cause outbound inference traffic to be directed to a destination of their choosing and could cause administrator-provisioned credentials to be exposed.
nvd.nist.gov
References
Freshness
Last verified in this catalog Nov 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgNov 2, 2026
- Monitored products — highNov 1, 2026