HexBrain

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Kubernetes

77disclosed reports
$32,650paid in bounties
662known subdomains

See its reports on the map

Attack surface: 662 known subdomains

k8s.iogcr.iokubernetes.io

662subdomains across 3 root domains

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    Not every host here is in scope. Check the program's policy before testing. Last updated 2026-11-13.

    What gets reported to Kubernetes

    Most upvoted reports

    AllValidInformativeN/ADuplicate

    1. Attacker can bypass authentication build on ingress external auth (`nginx.ingress.kubernetes.io/auth-url`)InformativeImproper Authentication - Generic · medium
      16 votes
    2. Username enumeration via Openssh 7.6InformativeInformation Disclosure · medium
      12 votes
    3. XSS on kubernetes-csi.github.io (mdBook)InformativeCross-site Scripting (XSS) - Reflected · medium
      9 votes
    4. ClickjackingInformativeUI Redressing (Clickjacking)
      5 votes
    5. Man in the middle leading to root privilege escalation using hostNetwork=true (CAP_NET_RAW considered harmful)InformativeMan-in-the-Middle · medium
      4 votes
    6. API Server DoS (crash?) if many large resources (~1MB each) are concurrently/repeatedly sent to an external Validating WebHook endpointInformativeUncontrolled Resource Consumption · medium
      2 votes
    7. Github test clientID and clientSecret leakedInformativePlaintext Storage of a Password · low
      2 votes
    8. kubectl creating secrets from stringData leaves secret in plain textInformativeCleartext Storage of Sensitive Information · low
      1 votes
    9. Kubelet follows symlinks as root in /var/log from the /logs server endpoint InformativePrivilege Escalation · medium
      1 votes
    10. Private IP addresses DisclosureInformativeInformation Disclosure
      1 votes
    11. Configuartion [Sensitive] Information DisclosureInformativeInformation Disclosure
      1 votes
    12. Hard coded Username and password in GiHub commitInformativeUse of Hard-coded Credentials
    13. Internal IP addresses range and AWS cluster region leaked in a Github repository InformativeInsecure Storage of Sensitive Information
    14. Plaintext storage of a password on kubernetes release bucketInformativePlaintext Storage of a Password