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CVE-2026-29793

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, Socket.IO clients can send arbitrary JavaScript objects as the id argument to any service method (get, patch, update, remove). The transport layer performs no type checking on this argument. When the service uses the MongoDB adapter, these objects pass through getObjectId() and land directly in the MongoDB query as operators. Sending {$ne: null} as the id matche
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4c9303f1439a7b7d4e6379f990350514a68e9bf1190b975ff359f877bbd9528c
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"mongodb","vendor":"@feathersjs","versions":[{"status":"affected","version":">= 5.0.0, < 5.0.42"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cb2b426e42c3e2fa3d9f6256389da7cab09596c116e7fc826a74acfab0b187b4 · sha256:f47c77a41f77a996… · /containers/cna/affected/0

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:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:cb2b426e42c3e2fa3d9f6256389da7cab09596c116e7fc826a74acfab0b187b4 · sha256:f47c77a41f77a996… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-943","description":"CWE-943: Improper Neutralization of Special Elements in Data Query Logic","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:cb2b426e42c3e2fa3d9f6256389da7cab09596c116e7fc826a74acfab0b187b4 · sha256:f47c77a41f77a996… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/feathersjs/feathers/security/advisories/GHSA-p9xr-7p9p-gpqx","tags":["x_refsource_CONFIRM"],"url":"https://github.com/feathersjs/feathers/security/advisories/GHSA-p9xr-7p9p-gpqx"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cb2b426e42c3e2fa3d9f6256389da7cab09596c116e7fc826a74acfab0b187b4 · sha256:f47c77a41f77a996… · /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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