PT-2026-137343
CVE-2026-122322
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Published
2026-11-05
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Updated
2026-11-05
Description by
CVSS 4.0
8.7
HighMetricsAV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions
Kyverno versions 1.11.0 through 1.19.1
Description
An unbounded decompression issue exists in the
extractStatement() function. Remote attackers can cause a denial of service by supplying highly compressed attestation layers via registry referrer artifacts. When these gzip predicate layers are decompressed, they can exceed the maxPayloadSize, leading to Out-of-Memory (OOM) kills of the admission controller.Recommendations
Update Kyverno to version 1.19.2 or later.
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