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Bug bounty reports15,219

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

Program:Kubernetes
Status
Severity
Weakness
Year
Bounty paid25
Access stated
Access needed
  • No account0
  • A user account0
  • A privileged role0
  • Admin0
  • Physical or local access0
  • Not clear from the report0
Clear filters77 of 15,219 reports
Disclosed bug bounty reports
ReportStatusWeaknessSeverityDisclosedBountyVotes
Plaintext storage of a password on kubernetes release bucket#872190InformativeAuthentication–2021-01-07––
Internal IP addresses range and AWS cluster region leaked in a Github repository#877303InformativeInformation Disclosure–2020-07-24––
Hard coded Username and password in GiHub commit#877402InformativeAuthentication–2020-07-24––
Configuartion [Sensitive] Information Disclosure#774872InformativeInformation Disclosure–2020-10-22–1
Sensitive Information disclosure Through Config File#775123DuplicateInformation Disclosure–2020-07-24–1
There is any issue No valid SPF Records#864696DuplicateAuthentication–2020-07-24–1
Private IP addresses Disclosure#908880InformativeInformation Disclosure–2020-07-23–1
CVE-2019-11250 remains in effect.#952771ValidCryptography–2020-11-29–1
csi-snapshot-controller crashes when processing VolumeSnapshot with non-existing PVC#995699DuplicateMemory Corruption–2021-01-07–1
Kubelet follows symlinks as root in /var/log from the /logs server endpoint#1036886InformativeAccess Control–2021-04-01–1
kubectl creating secrets from stringData leaves secret in plain text#1102064InformativeCryptography–2021-08-21–1
Man in the middle using LoadBalancer or ExternalIPs services#764986ValidCryptography–2021-11-04–2
Github test clientID and clientSecret leaked#796139InformativeAuthentication–2020-07-24–2
"Self" DOS with large deployment and scaling#831654N/ADenial of Service–2020-07-23–2
exposed Git Repo at http://api.e2e-kops-aws-canary.test-cncf-aws.canary.k8s.io/.git/#970520DuplicateInformation Disclosure–2021-01-07–2
API Server DoS (crash?) if many large resources (~1MB each) are concurrently/repeatedly sent to an external Validating WebHook endpoint#1096907InformativeDenial of Service–2021-04-01–2
Fake email from <any_name>@kubernetes.io to any other email#918243DuplicateNo weakness recorded–2020-07-24–3
secret leaks in vsphere cloud controller manager log#966383ValidCryptography–2020-11-29$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 Smuggling–2022-06-02$5003
DoS for GCSArtifact.RealAll#833856ValidDenial of Service–2021-02-04–4
Private RSA key and Server key exposed on the GitHub repository#876751N/ACryptography–2020-10-22–4
Man in the middle leading to root privilege escalation using hostNetwork=true (CAP_NET_RAW considered harmful)#899103InformativeCryptography–2021-10-08–4
Unsecured Grafana instance on https://monitoring.prow-canary.k8s.io/dashboards#1000922DuplicateAuthentication–2021-01-07–4
Broken link hijacing in https://kubernetes-csi.github.io/docs/drivers.html#1212853ValidMisconfiguration and Insecure Design–2021-11-06–4
Broken Github Link Used in deployment docs of "github.com/kubernetes/kompose"#1398617ValidAccess Control–2021-12-16–4
No valid SPF record found#775531N/AAuthentication–2020-02-04–5
Clickjacking#832593InformativeMisconfiguration and Insecure Design–2020-07-23–5
KOPS documentation references domains which were not registered#1092859ValidAccess Control–2021-04-02–5
Holes in EndpointSlice Validation Enable Host Network Hijack#1145044ValidAccess Control–2021-09-05–5
AWS Load Balancer Controller Managed Security Groups can be replaced by an unprivileged attacker#1238017N/AInjection and Smuggling–2022-06-02$5005
Grafana Improper authorization#802011ValidAccess Control–2020-10-31–6
DoS for client-go jsonpath func#882923ValidDenial of Service–2020-07-24–6
Broken Link Takeover from kubernetes.io docs#1398572ValidAccess Control–2021-12-16–6
Bypass apiserver proxy filter#859962ValidRace Conditions–2021-05-27–7
kubeadm logs tokens before deleting them#972561ValidAuthentication–2020-11-21–7
Tokenless GUI Authentication#1350755ValidAuthentication–2021-11-04–7
Compromise of auth via subset/superset namespace names.#778803ValidAuthentication–2020-10-30–8
Kubelet resource exhaustion attack via metric label cardinality explosion from unauthenticated requests#774896ValidDenial of Service–2020-10-31–9
XSS on kubernetes-csi.github.io (mdBook)#1073514InformativeCross-site Scripting–2021-02-04–9
IPv4 only clusters susceptible to MitM attacks via IPv6 rogue router advertisements#819717ValidCryptography–2021-11-07–10
Compromise of node can lead to compromise of pods on other nodes#863979ValidNo weakness recorded–2020-10-30–10
The `io.kubernetes.client.util.generic.dynamic.Dynamics` contains a code execution vulnerability due to SnakeYAML#1807214ValidCommand and Code Injection–2023-04-25$1,00010
SHA512 incorrect on most/many releases#1130416ValidCryptography–2021-05-09–11
Username enumeration via Openssh 7.6#776461InformativeNo weakness recorded–2020-02-04–12
Broken Link Hijacking on kubernetes.io Documentation#1331361ValidAccess Control–2021-11-06–12
Route53 Subdomain Takeover on test-cncf-aws.canary.k8s.io#794382DuplicateMisconfiguration and Insecure Design–2021-01-16–13
Index Out Of Bounds in protobuf unmarshalling#1073363ValidMemory Corruption–2021-08-30$25013
Node Validation Admission does not observe all oldObject fields#1095612ValidAccess Control–2021-09-05–14
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 Control–2021-12-16–14
Git Arg Injection in kubernetes-sigs/release-sdk#1763704ValidNo weakness recorded–2023-05-25$10014

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 (227 analysed so far), which can be wrong. Data as of 2026-11-14.

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