Skip to content

Bug bounty reports15,219

Publicly disclosed HackerOne reports, with the platform's own outcome and severity.

Program:Kubernetes
Status
Severity:Medium
Clear
Weakness
Year
Bounty paid10
Access stated
Access needed
Technique
Clear filters33 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
CVE-2019-11250 remains in effect.#952771ValidCryptographyMedium2020-11-29–1
csi-snapshot-controller crashes when processing VolumeSnapshot with non-existing PVC#995699DuplicateMemory CorruptionMedium2021-01-07–1
Kubelet follows symlinks as root in /var/log from the /logs server endpoint#1036886InformativeAccess ControlMedium2021-04-01–1
Man in the middle using LoadBalancer or ExternalIPs services#764986ValidCryptographyMedium2021-11-04–2
API Server DoS (crash?) if many large resources (~1MB each) are concurrently/repeatedly sent to an external Validating WebHook endpoint#1096907InformativeDenial of ServiceMedium2021-04-01–2
secret leaks in vsphere cloud controller manager log#966383ValidCryptographyMedium2020-11-29$5003
AWS Load Balancer Controller can be used by an attacker to modify rules of any Security Group that they are able to tag#1238482N/AInjection and SmugglingMedium2022-06-02$5003
DoS for GCSArtifact.RealAll#833856ValidDenial of ServiceMedium2021-02-04–4
Private RSA key and Server key exposed on the GitHub repository#876751N/ACryptographyMedium2020-10-22–4
Man in the middle leading to root privilege escalation using hostNetwork=true (CAP_NET_RAW considered harmful)#899103InformativeCryptographyMedium2021-10-08–4
Broken link hijacing in https://kubernetes-csi.github.io/docs/drivers.html#1212853ValidMisconfiguration and Insecure DesignMedium2021-11-06–4
Broken Github Link Used in deployment docs of "github.com/kubernetes/kompose"#1398617ValidAccess ControlMedium2021-12-16–4
AWS Load Balancer Controller Managed Security Groups can be replaced by an unprivileged attacker#1238017N/AInjection and SmugglingMedium2022-06-02$5005
Bypass apiserver proxy filter#859962ValidRace ConditionsMedium2021-05-27–7
Tokenless GUI Authentication#1350755ValidAuthenticationMedium2021-11-04–7
Compromise of auth via subset/superset namespace names.#778803ValidAuthenticationMedium2020-10-30–8
Kubelet resource exhaustion attack via metric label cardinality explosion from unauthenticated requests#774896ValidDenial of ServiceMedium2020-10-31–9
XSS on kubernetes-csi.github.io (mdBook)#1073514InformativeCross-site ScriptingMedium2021-02-04–9
IPv4 only clusters susceptible to MitM attacks via IPv6 rogue router advertisements#819717ValidCryptographyMedium2021-11-07–10
Compromise of node can lead to compromise of pods on other nodes#863979ValidNo weakness recordedMedium2020-10-30–10
The `io.kubernetes.client.util.generic.dynamic.Dynamics` contains a code execution vulnerability due to SnakeYAML#1807214ValidCommand and Code InjectionMedium2023-04-25$1,00010
SHA512 incorrect on most/many releases#1130416ValidCryptographyMedium2021-05-09–11
Username enumeration via Openssh 7.6#776461InformativeNo weakness recordedMedium2020-02-04–12
Node Validation Admission does not observe all oldObject fields#1095612ValidAccess ControlMedium2021-09-05–14
Google storage bucket takeover which is used to load JS file in dashboard.html in "github.com/kubernetes/release" which can lead to XSS#1398706ValidAccess ControlMedium2021-12-16–14
csi-snapshot-controller crashes when processing VolumeSnapshot with non-existing PVC#1032086ValidMemory CorruptionMedium2020-12-03$50015
Attacker can bypass authentication build on ingress external auth (`nginx.ingress.kubernetes.io/auth-url`)#1357948InformativeAuthenticationMedium2022-04-23–16
SSRF for kube-apiserver cloudprovider sceneAnalysed#941178ValidServer-Side Request ForgeryMedium2021-10-07–24
File Read Vulnerability allows Attackers to Compromise S3 buckets using ProwAnalysed#1485500ValidAccess ControlMedium2023-04-25$25026
Loading YAML in Java client can lead to command executionAnalysed#1167773ValidDeserialization and Object InjectionMedium2021-08-07$1,00045
SSRF vulnerability can be exploited when a hijacked aggregated api server such as metrics-server returns 30XAnalysed#1544133ValidServer-Side Request ForgeryMedium2022-12-10$1,00051
Subdomain Takeover Via via Dangling NS records on Amazon Route 53 http://api.e2e-kops-aws-canary.test-cncf-aws.canary.k8s.ioAnalysed#746000ValidAuthenticationMedium2020-11-29$25062
Node disk DOS by writing to container /etc/hostsAnalysed#867699ValidDenial of ServiceMedium2020-07-22$1,000161

Status and severity are HackerOne's. “Access stated” is what the title says; “Access needed” and techniques come from CyberSIXT's analysis of the public report, where there is one, which can be wrong. Data as of 2026-11-15.