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CVE-2026-24470

Skipper is an HTTP router and reverse proxy for service composition. Prior to version 0.24.0, when running Skipper as an Ingress controller, users with permissions to create an Ingress and a Service of type ExternalName can create routes that enable them to use Skipper's network access to reach internal services. Version 0.24.0 disables Kubernetes ExternalName by default. As a workaround, developers can allow list targets of an ExternalName and allow list via regular expressions.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1e6d31d12f9893418bf88eee7868245e592035318a0a695894fd0bcf65784d18
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:99268d2fd7616f910dbec9860bc2c2a282dbe7ee71d3242ab827888ee156c27d · sha256:ed64b8ade21fe68d… · /containers/cna/problemTypes/1/descriptions/0

{"cweId":"CWE-441","description":"CWE-441: Unintended Proxy or Intermediary ('Confused Deputy')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:99268d2fd7616f910dbec9860bc2c2a282dbe7ee71d3242ab827888ee156c27d · sha256:ed64b8ade21fe68d… · /containers/cna/problemTypes/0/descriptions/0

Affected products and versions

1 source assertion
{"product":"skipper","vendor":"zalando","versions":[{"status":"affected","version":"< 0.24.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:99268d2fd7616f910dbec9860bc2c2a282dbe7ee71d3242ab827888ee156c27d · sha256:ed64b8ade21fe68d… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:99268d2fd7616f910dbec9860bc2c2a282dbe7ee71d3242ab827888ee156c27d · sha256:ed64b8ade21fe68d… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:99268d2fd7616f910dbec9860bc2c2a282dbe7ee71d3242ab827888ee156c27d · sha256:ed64b8ade21fe68d… · /containers/cna/problemTypes/1/descriptions/0
{"cweId":"CWE-441","description":"CWE-441: Unintended Proxy or Intermediary ('Confused Deputy')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:99268d2fd7616f910dbec9860bc2c2a282dbe7ee71d3242ab827888ee156c27d · sha256:ed64b8ade21fe68d… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/zalando/skipper/commit/a4c87ce029a58eb8e1c2c1f93049194a39cf6219","tags":["x_refsource_MISC"],"url":"https://github.com/zalando/skipper/commit/a4c87ce029a58eb8e1c2c1f93049194a39cf6219"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:99268d2fd7616f910dbec9860bc2c2a282dbe7ee71d3242ab827888ee156c27d · sha256:ed64b8ade21fe68d… · /containers/cna/references/1
{"name":"https://github.com/zalando/skipper/security/advisories/GHSA-mxxc-p822-2hx9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/zalando/skipper/security/advisories/GHSA-mxxc-p822-2hx9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:99268d2fd7616f910dbec9860bc2c2a282dbe7ee71d3242ab827888ee156c27d · sha256:ed64b8ade21fe68d… · /containers/cna/references/0
{"name":"https://kubernetes.io/docs/concepts/services-networking/service/#externalname","tags":["x_refsource_MISC"],"url":"https://kubernetes.io/docs/concepts/services-networking/service/#externalname"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:99268d2fd7616f910dbec9860bc2c2a282dbe7ee71d3242ab827888ee156c27d · sha256:ed64b8ade21fe68d… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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