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CVE-2026-58371

SeaweedFS before 4.30 reflects the callback query parameter verbatim into responses served with Content-Type application/javascript in the shared writeJson helper (weed/server/common.go), with no callback-name validation, no X-Content-Type-Options: nosniff header, and no CORS allow-list. Every JSON endpoint that uses writeJson - including the unauthenticated master endpoints /dir/status, /dir/lookup and /cluster/status, the volume server /status, and the filer directory listing, all reachable in
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a97326c93d9f879b3766f30525b9ad711dc29065a2e3f702f1e4b5de0d5b7d78
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":2.3,"baseSeverity":"LOW","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact…

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d4cf43a7912856536215ceefa88a300dd0d142bfb90edd9a96a5a9b398071e3e · sha256:6c06d1384f0380af… · /containers/cna/metrics/1/cvssV4_0

{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.1,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d4cf43a7912856536215ceefa88a300dd0d142bfb90edd9a96a5a9b398071e3e · sha256:6c06d1384f0380af… · /containers/cna/metrics/0/cvssV3_1

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageURL":"pkg:github/seaweedfs/seaweedfs","product":"seaweedfs","repo":"https://github.com/seaweedfs/seaweedfs","vendor":"seaweedfs","versions":[{"lessThan":"4.30","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d4cf43a7912856536215ceefa88a300dd0d142bfb90edd9a96a5a9b398071e3e · sha256:6c06d1384f0380af… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":2.3,"baseSeverity":"LOW","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact…
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d4cf43a7912856536215ceefa88a300dd0d142bfb90edd9a96a5a9b398071e3e · sha256:6c06d1384f0380af… · /containers/cna/metrics/1/cvssV4_0
{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.1,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d4cf43a7912856536215ceefa88a300dd0d142bfb90edd9a96a5a9b398071e3e · sha256:6c06d1384f0380af… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d4cf43a7912856536215ceefa88a300dd0d142bfb90edd9a96a5a9b398071e3e · sha256:6c06d1384f0380af… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"Researcher Disclosure","tags":["technical-description","exploit"],"url":"https://github.com/geo-chen/oss/blob/main/seaweedfs.md"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d4cf43a7912856536215ceefa88a300dd0d142bfb90edd9a96a5a9b398071e3e · sha256:6c06d1384f0380af… · /containers/cna/references/3
{"name":"Patch Commit","tags":["patch"],"url":"https://github.com/seaweedfs/seaweedfs/commit/77dcb20a7485074d37340985d53103f94538abe6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d4cf43a7912856536215ceefa88a300dd0d142bfb90edd9a96a5a9b398071e3e · sha256:6c06d1384f0380af… · /containers/cna/references/2
{"name":"Fix PR","tags":["issue-tracking"],"url":"https://github.com/seaweedfs/seaweedfs/pull/9686"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d4cf43a7912856536215ceefa88a300dd0d142bfb90edd9a96a5a9b398071e3e · sha256:6c06d1384f0380af… · /containers/cna/references/1
{"name":"Release Notes","tags":["release-notes"],"url":"https://github.com/seaweedfs/seaweedfs/releases/tag/4.30"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d4cf43a7912856536215ceefa88a300dd0d142bfb90edd9a96a5a9b398071e3e · sha256:6c06d1384f0380af… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/seaweedfs-cross-origin-information-disclosure-via-unvalidated-jsonp-callback-parameter"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d4cf43a7912856536215ceefa88a300dd0d142bfb90edd9a96a5a9b398071e3e · sha256:6c06d1384f0380af… · /containers/cna/references/4

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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