CVE-2026-100705 Kyverno - Server-Side Request Forgery

Kyverno < 1.19.1 contains a server-side request forgery caused by lack of egress filtering in legacy apiCall service executor and GlobalContextEntry external-API path, letting attackers cause Kyverno to send arbitrary HTTP requests with attached ServiceAccount token, exploit requires policy author or resource submitter privileges.

CVSS base score 7.6 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.20% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Server-Side Request Forgery
Impact
Server Side Request Forgery, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N
Published
26 September 2026
Updated
15 October 2026
Weakness
CWE-918

Vendor fix

Update to version 1.19.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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