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CVE-2026-42283

DevSpace is a client-only developer tool for cloud-native development with Kubernetes. Prior to 6.3.21, DevSpace's UI server WebSocket accepts connections from all origins by default, and therefore several endpoints are exposed via this WebSocket. When a developer runs the DevSpace UI and at the same time uses a browser to access the internet, a malicious website they visit can use their browser to establish a cross-origin WebSocket connection to ws://127.0.0.1:8090. This vulnerability is fixed
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d3b5bdc82fe19752f8b61ddee9242370abe171768cb732a7a2acabc54721e5fa
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-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2c2dbec8f37f3225b79a831caa5b883fb36a76e73730d7467e09bc5ae1c43583 · sha256:38a220631eaf33d4… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2c2dbec8f37f3225b79a831caa5b883fb36a76e73730d7467e09bc5ae1c43583 · sha256:38a220631eaf33d4… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"devspace","vendor":"devspace-sh","versions":[{"status":"affected","version":"< 6.3.21"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:2c2dbec8f37f3225b79a831caa5b883fb36a76e73730d7467e09bc5ae1c43583 · sha256:38a220631eaf33d4… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":7.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:2c2dbec8f37f3225b79a831caa5b883fb36a76e73730d7467e09bc5ae1c43583 · sha256:38a220631eaf33d4… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-306","description":"CWE-306: Missing Authentication for Critical Function","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2c2dbec8f37f3225b79a831caa5b883fb36a76e73730d7467e09bc5ae1c43583 · sha256:38a220631eaf33d4… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:2c2dbec8f37f3225b79a831caa5b883fb36a76e73730d7467e09bc5ae1c43583 · sha256:38a220631eaf33d4… · /containers/cna/problemTypes/1/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/devspace-sh/devspace/security/advisories/GHSA-hqwm-7x7x-8379","tags":["x_refsource_CONFIRM"],"url":"https://github.com/devspace-sh/devspace/security/advisories/GHSA-hqwm-7x7x-8379"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:2c2dbec8f37f3225b79a831caa5b883fb36a76e73730d7467e09bc5ae1c43583 · sha256:38a220631eaf33d4… · /containers/cna/references/0

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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