Vendor
kyverno
54 known vulnerabilities.
kyverno at a glance
Show as table
| Month | Vulnerabilities | Critical |
|---|---|---|
| Nov 2026 | 23 | 8 |
| Oct 2026 | 0 | 0 |
| Sep 2026 | 11 | 2 |
| Aug 2026 | 1 | 1 |
| Jul 2026 | 0 | 0 |
| Jun 2026 | 0 | 0 |
| May 2026 | 1 | 0 |
| Apr 2026 | 4 | 0 |
| Mar 2026 | 1 | 1 |
| Feb 2026 | 0 | 0 |
| Jan 2026 | 2 | 1 |
| Dec 2025 | 0 | 0 |
| Nov 2025 | 0 | 0 |
| Oct 2025 | 0 | 0 |
| Sep 2025 | 0 | 0 |
| Aug 2025 | 0 | 0 |
| Jul 2025 | 1 | 0 |
| Jun 2025 | 0 | 0 |
| May 2025 | 0 | 0 |
| Apr 2025 | 1 | 0 |
| Mar 2025 | 1 | 0 |
| Feb 2025 | 0 | 0 |
| Jan 2025 | 0 | 0 |
| Dec 2024 | 0 | 0 |
Most common weaknesses
Products
54 results · Feed
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High 8.7
Kyverno before 1.19.2 contains an authorization bypass vulnerability that allows namespaced tenants to generate any res…
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Critical 9.9
Kyverno 1.19.1 Privilege Escalation via apiCall Namespace Clamp Bypass
Kyverno from 1.19.1 before 1.19.2 contains an authorization bypass vulnerability in the apiCall namespace clamp that allows namespace tenants to issue cross-namespace and cluster-scoped API requests by appending malformed percent-escapes to urlPath. Attackers…
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High 7.5
Kyverno 1.11.0 before 1.19.2 Memory Exhaustion via Notary Signature Decompression
Kyverno from 1.11.0 before 1.19.2 contains an unbounded decompression vulnerability in FetchSignatureBlob that allows attackers to exhaust memory by supplying highly compressed notary signature layers. Attackers who control registry referrers or signatures ca…
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High 7.5
Kyverno from 1.11.0 before 1.19.2 Memory Exhaustion via Notary Attestation Decompression
Kyverno from 1.11.0 before 1.19.2 contains an unbounded decompression vulnerability in extractStatement that allows remote attackers to exhaust memory by supplying highly compressed attestation layers. Attackers controlling registry referrer artifacts can pus…
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Critical 9.1
Kyverno 1.18.0 before 1.19.2 verifyImages Cache Signature Verification Bypass
Kyverno 1.18.0 before 1.19.2 contains a signature verification bypass in verifyImages because cached verification results are keyed by the image reference string (such as a tag) rather than bound to the verified digest, so cache hits skip signature and attest…
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High 7.7
Kyverno before 1.19.2 Cross-Namespace Resource Read via generate.clone
Kyverno before 1.19.2 contains a missing authorization vulnerability that allows namespaced Policy authors to read resources in other namespaces by templating generate.clone or cloneList namespace values. Attackers can annotate a triggering ConfigMap so the b…
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High 7.5
Kyverno before 1.19.2 Denial of Service via In/NotIn Operator Panic
Kyverno before 1.19.2 contains a denial-of-service vulnerability in the In and NotIn operators that allows attackers to crash the policy engine via an unchecked type assertion. Attackers can submit resources whose JMESPath-evaluated values yield arrays of int…
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High 7.7
Kyverno before 1.19.2 Cosign Identity Check Bypass via Empty SAN Certificates
Kyverno before 1.19.2 contains an authentication bypass in matchCertificateData that skips verifyImages subject and subjectRegExp checks when the signing certificate has no Subject Alternative Name. Attackers holding a leaf certificate from a configured priva…
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High 8.5
Kyverno 1.17.0 before 1.19.2 Cross-Namespace Write via NamespacedMutatingPolicy mutateExisting
Kyverno from 1.17.0 before 1.19.2 contains a missing authorization vulnerability in the mutate-existing background processor that allows namespaced tenants to modify resources outside their namespace. Attackers can create a NamespacedMutatingPolicy targeting …
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High 7.5
Kyverno before 1.19.2 Image Verification Bypass via Attestation Type Panic
Kyverno before 1.19.2 contains an unchecked type assertion in buildStatementMap that allows unauthenticated attackers to crash the policy engine via crafted attestation statements. Attackers can push an OCI referrer manifest with a non-string type field to by…
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High 7.5
Kyverno before 1.19.2 Denial of Service via Shallow Variable Substitution Panic
Kyverno before 1.19.2 contains an unchecked type assertion in its variable-substitution engine that allows users who can submit resources to crash the policy engine. Attackers can submit resources with non-string fields referenced by {{- variable }} shallow s…
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Critical 9.9
Kyverno 1.17.0 before 1.19.2 Cross-Namespace Privilege Escalation via NamespacedMutatingPolicy
Kyverno from 1.17.0 before 1.19.2 contains a privilege escalation vulnerability that allows namespace-scoped tenants to modify resources in other namespaces through NamespacedMutatingPolicy targetMatchConstraints.expression CEL output lacking namespace checks…
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High 7.7
Kyverno 1.19.1 before 1.19.2 Namespace Isolation Bypass via APICall URLPath Query String
Kyverno from 1.19.1 before 1.19.2 contains a namespace isolation bypass in APICall Fetch() in pkg/engine/apicall/apiCall.go because path.Clean treats '?' as a path character, letting the namespace regex match segments inside the query string. Users who can cr…
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Critical 9.9
Kyverno 1.16.0 before 1.19.2 Path Traversal in Namespaced CEL Policies via resource argument
Kyverno from 1.16.0 before 1.19.2 fails to validate path segments in the resource argument of resource.get() and resource.post(), allowing namespaced CEL policies to escape their namespace. Tenants who can create a NamespacedValidatingPolicy can insert .. seg…
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Critical 9.9
Kyverno 1.19.1 before 1.19.2 Privilege Escalation via Policy apiCall urlPath
Kyverno from 1.19.1 before 1.19.2 validates a Policy's context.apiCall urlPath after cleaning it but executes the raw path, whose fragment or query the Kubernetes client discards. A namespace-scoped user who can create a Policy can hide ../ segments behind # …
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Medium 6.2
Kyverno before 1.19.2 Denial of Service via Unbounded CEL Policy Evaluation Cost
Kyverno before 1.19.2 contains a denial of service vulnerability that allows namespace-scoped policy authors to exhaust CPU and memory by submitting CEL expressions evaluated without runtime cost limits. Attackers can create a NamespacedValidatingPolicy or Na…
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High 8.5
Kyverno before 1.19.2 Label Spoofing via Generation Handler processRequest
Kyverno before 1.19.2 contains an authorization bypass vulnerability in the Generation Handler that allows users with create/update permissions to trigger synchronized generate policies by spoofing internal generate.kyverno.io labels. Attackers can label a Co…
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High 7.7
Kyverno before 1.19.2 Policy Bypass via admissionpolicygenerator PolicyException Handling
Kyverno before 1.19.2 contains a policy bypass vulnerability in the admissionpolicygenerator controller, which folds PolicyExceptions into generated ValidatingAdmissionPolicies while ignoring the --enablePolicyException, --exceptionNamespace, and policy kind …
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High 7.7
Kyverno before 1.19.2 Denial of Service via Exponential-Time Wildcard Matching
Kyverno before 1.19.2 contains a denial of service vulnerability that allows namespaced policy authors to exhaust admission controller CPU by submitting pathological wildcard patterns. Attackers can create a Policy with crafted match and exclude names evaluat…
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High 7.7
Kyverno before 1.19.2 Denial of Service via Nested Variable Substitution Loop
Kyverno before 1.19.2 contains a denial of service vulnerability in substituteVariablesIfAny that allows low-privileged users to hang the admission webhook via self-referential variable templates. Attackers can create resources whose annotations re-introduce …
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Critical 9.9
Kyverno 1.17.0 before 1.19.2 Privilege Escalation via CleanupPolicy Context Loader
Kyverno from 1.17.0 before 1.19.2 contains an authorization bypass vulnerability that allows namespace admins to escape namespace confinement because the cleanup controller builds its context loader with a nil policy. Attackers can create a namespaced Cleanup…
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Critical 9.9
Kyverno 1.17.0 before 1.19.2 Cross-Namespace Resource Overwrite via NamespacedMutatingPolicy
Kyverno from 1.17.0 before 1.19.2 contains an authorization bypass vulnerability that allows namespace tenants to overwrite resources in other namespaces via NamespacedMutatingPolicy mutate-existing targetMatchConstraints.expression. Attackers can return a CE…
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Critical 9.8
Kyverno before 1.19.2 Privilege Escalation via Generate Rule Permission Check
Kyverno before 1.19.2 contains a privilege escalation vulnerability that allows namespace admins to create resources beyond their RBAC because generate-rule admission checks verify the controller's permissions, not the author's. Attackers can create a namespa…
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High 7.7
Kyverno before 1.19.1 Namespace Isolation Bypass via Percent-Encoded Path
Kyverno before 1.19.1 contains a namespace isolation bypass in the apiCall context entry of namespaced Policy resources due to inconsistent path interpretation between validation and execution. A low-privilege tenant can use percent-encoded dot-segments in ur…
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Critical 9.9
kyverno before 1.19.1 Privilege Escalation via Policy apiCall urlPath
kyverno before 1.19.1 fails to properly validate URL-encoded path segments in Policy apiCall urlPath, allowing namespace tenants to bypass the per-namespace clamp and create objects in other namespaces as the admission-controller ServiceAccount. Attackers can…
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High 7.6
Kyverno before 1.19.1 SSRF via legacy apiCall service executor
Kyverno before 1.19.1 is vulnerable to server-side request forgery. The default egress blocklist (169.254.169.254, 169.254.169.253, metadata.google.internal, 127.0.0.0/8, ::1/128) and the scoped-token control were wired only into the new CEL http.Get/Post lib…
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High 7.7
Kyverno before 1.19.1 ImageValidatingPolicy Exception Bypass
Kyverno is a policy engine for Kubernetes. In versions 1.14.0 through 1.19.0, the ImageValidatingPolicy (policies.kyverno.io/v1beta1) evaluator never reads the spec.images and spec.allowedValues fields of a PolicyException. Any PolicyException whose policyRef…
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High 7.7
Kyverno before 1.19.1 Cross-Namespace Data Access via globalcontext.Lib
Kyverno 1.16.0 through 1.19.0 registers the globalcontext.Lib CEL library in its policy environment without confining it to the policy's namespace, unlike the sibling libraries (resource.Lib, http.Lib, configMap loader) which are handed the policy namespace. …
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Critical 9.0
Kyverno before v1.13.0 Policy Bypass via Multiple Exceptions
Kyverno versions v1.9.0 through v1.12.7 contain a policy exception handling flaw. When a policy in enforce mode is combined with two PolicyExceptions, the less restrictive exception takes precedence, allowing an attacker to bypass the policy by crafting a res…
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High 7.7
Kyverno before 1.18.0 Server-Side Request Forgery via apiCall
Kyverno before 1.18.0 contains a server-side request forgery vulnerability in apiCall.service.url that allows authenticated users to send arbitrary HTTP requests by injecting user-controlled input through variable substitution. Attackers can target internal s…
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High 7.7
Kyverno before 1.16.2 SSRF via APICall Feature
Kyverno before 1.16.2 contains a server-side request forgery (SSRF) vulnerability in the APICall feature. The URL field in a Policy's ServiceCall configuration is not validated, so a user with namespace-level Policy creation permissions can direct Kyverno to …
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High 7.7
Kyverno before 1.16.4 Credential Leak via apiCall
Kyverno before 1.16.4 automatically attaches the admission controller's ServiceAccount token to outbound HTTP requests in apiCall service mode without explicit authorization headers. Attackers can exfiltrate the token by directing apiCall requests to external…
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Low 3.7
Kyverno before 1.9.5 Sweet32 Medium Strength Cipher Suites
Kyverno versions 1.9.4 and earlier support insecure 3DES cipher suites (TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA and TLS_RSA_WITH_3DES_EDE_CBC_SHA) on their TLS endpoints. These 64-bit block ciphers are vulnerable to the Sweet32 attack (CVE-2016-2183), which, over…
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Medium 6.5
Kyverno before v1.13.4 SSRF via Service Call
Kyverno before v1.13.4 is vulnerable to server-side request forgery (SSRF) via its Service Call functionality. An attacker with permission to create Kyverno (Cluster)Policies can specify an external URL in a policy's apiCall/service configuration; although Se…
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Critical 9.6CVE-2026-54523 Public exploit
Kyverno: NamespacedGeneratingPolicy generator.apply() namespace argument unvalidated -- background controller creates RoleBindings in any namespace including kube-system
Kyverno is a policy engine designed for cloud native platform engineering teams. From 1.18.0 until 1.18.2, the NamespacedMutatingPolicy CEL compiler exposes the generator library to matchConditions, allowing a namespace-scoped policy to invoke generator.apply…
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Medium 6.1
Kyverno: [policy-reporter-ui] XSS via Stored Property Values in PropertyCard Component
Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to 2.5.2, Vue 3's v-html directive is the framework-documented mechanism for injecting raw HTML, and it intentionally disables the auto-escaping that {{ }} interpolation pr…
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High 7.7
Kyverno Controller Denial of Service via forEach Mutation Panic
Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to versions 1.17.2 and 1.16.4, an unchecked type assertion in the `forEach` mutation handler allows any user with permission to create a `Policy` or `ClusterPolicy` to cras…
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High 8.1
Kyverno: ServiceAccount token leaked to external servers via apiCall service URL
Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to versions 1.18.0-rc1, 1.17.2-rc1, and 1.16.4, Kyverno's apiCall feature in ClusterPolicy automatically attaches the admission controller's ServiceAccount token to outgoin…
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High 7.7
Kyverno: Cross-Namespace Read Bypasses RBAC Isolation (CVE-2026-22039 Incomplete Fix)
Kyverno is a policy engine designed for cloud native platform engineering teams. The patch for CVE-2026-22039 fixed cross-namespace privilege escalation in Kyverno's `apiCall` context by validating the `URLPath` field. However, the ConfigMap context loader ha…
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High 8.1
kyverno apicall servicecall implicit bearer token injection leaks kyverno serviceaccount token
Kyverno is a policy engine designed for cloud native platform engineering teams. Prior to 1.16.4, kyverno’s apiCall servicecall helper implicitly injects Authorization: Bearer ... using the kyverno controller serviceaccount token when a policy does not explic…