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CVE-2026-29792

Feathersjs is a framework for creating web APIs and real-time applications with TypeScript or JavaScript. From 5.0.0 to before 5.0.42, an unauthenticated attacker can send a crafted GET request directly to /oauth/:provider/callback with a forged profile in the query string. The OAuth service's authentication payload has a fallback chain that reaches params.query (the raw request query) when Grant's session/state responses are empty. Since the attacker never initiated an OAuth authorize flow, Gra
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:143716fe801010a5243f5ee3ef8b4db287a0497f4dba197136d05d0ef79b7e17
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"product":"feathers","vendor":"feathersjs","versions":[{"status":"affected","version":">= 5.0.0, < 5.0.42"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c7610d8ceda29ed2f9bd9e4ab64d18f1be09154d4eeea1268001193a761601f0 · sha256:98d29d3666b2230d… · /containers/cna/affected/0

{"product":"authentication-oauth","vendor":"@feathersjs","versions":[{"status":"affected","version":">= 5.0.0, < 5.0.42"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c7610d8ceda29ed2f9bd9e4ab64d18f1be09154d4eeea1268001193a761601f0 · sha256:98d29d3666b2230d… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"product":"feathers","vendor":"feathersjs","versions":[{"status":"affected","version":">= 5.0.0, < 5.0.42"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c7610d8ceda29ed2f9bd9e4ab64d18f1be09154d4eeea1268001193a761601f0 · sha256:98d29d3666b2230d… · /containers/cna/affected/0
{"product":"authentication-oauth","vendor":"@feathersjs","versions":[{"status":"affected","version":">= 5.0.0, < 5.0.42"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:c7610d8ceda29ed2f9bd9e4ab64d18f1be09154d4eeea1268001193a761601f0 · sha256:98d29d3666b2230d… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:c7610d8ceda29ed2f9bd9e4ab64d18f1be09154d4eeea1268001193a761601f0 · sha256:98d29d3666b2230d… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-287","description":"CWE-287: Improper Authentication","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:c7610d8ceda29ed2f9bd9e4ab64d18f1be09154d4eeea1268001193a761601f0 · sha256:98d29d3666b2230d… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/feathersjs/feathers/security/advisories/GHSA-wg9x-qfgw-pxhj","tags":["x_refsource_CONFIRM"],"url":"https://github.com/feathersjs/feathers/security/advisories/GHSA-wg9x-qfgw-pxhj"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:c7610d8ceda29ed2f9bd9e4ab64d18f1be09154d4eeea1268001193a761601f0 · sha256:98d29d3666b2230d… · /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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