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CVE-2026-61448

Parse Server is affected by a stored cross-site scripting (XSS) vulnerability in versions >= 9.0.0, < 9.10.0-alpha.2 and <= 8.6.83. When an uploaded file's extension is not recognized by the mime package, Parse Server preserves the client-supplied Content-Type. A malformed Content-Type that is not a valid type/subtype media type (e.g., 'image', 'image/', or 'image//svg+xml') bypasses the fileUpload.fileExtensions blocklist and is stored unchanged. On storage adapters that persist and serve the u
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:6c6ebd7ceafaf901e21fd997b9a18b344504825edaabd759270a64925bc05550
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

{"defaultStatus":"unaffected","packageURL":"pkg:npm/parse-server","product":"parse-server","vendor":"parse-community","versions":[{"lessThan":"8.6.84","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"8.6.84","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:acd6957967bdc903ae851a09e289a5fa054a609612a9317c63cffa6e1b9e6e2a · sha256:d6cca88fca8a950a… · /containers/cna/affected/1

{"defaultStatus":"unaffected","packageURL":"pkg:npm/parse-server","product":"parse-server","vendor":"parse-community","versions":[{"lessThan":"9.10.0-alpha.2","status":"affected","version":"9.0.0","versionType":"semver"},{"status":"unaffected","version":"9.10.0-alpha.2","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:acd6957967bdc903ae851a09e289a5fa054a609612a9317c63cffa6e1b9e6e2a · sha256:d6cca88fca8a950a… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","packageURL":"pkg:npm/parse-server","product":"parse-server","vendor":"parse-community","versions":[{"lessThan":"8.6.84","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"8.6.84","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:acd6957967bdc903ae851a09e289a5fa054a609612a9317c63cffa6e1b9e6e2a · sha256:d6cca88fca8a950a… · /containers/cna/affected/1
{"defaultStatus":"unaffected","packageURL":"pkg:npm/parse-server","product":"parse-server","vendor":"parse-community","versions":[{"lessThan":"9.10.0-alpha.2","status":"affected","version":"9.0.0","versionType":"semver"},{"status":"unaffected","version":"9.10.0-alpha.2","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:acd6957967bdc903ae851a09e289a5fa054a609612a9317c63cffa6e1b9e6e2a · sha256:d6cca88fca8a950a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":2.1,"baseSeverity":"LOW","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:acd6957967bdc903ae851a09e289a5fa054a609612a9317c63cffa6e1b9e6e2a · sha256:d6cca88fca8a950a… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-434","description":"Unrestricted Upload of File with Dangerous Type","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:acd6957967bdc903ae851a09e289a5fa054a609612a9317c63cffa6e1b9e6e2a · sha256:d6cca88fca8a950a… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"GitHub Security Advisory (GHSA-r899-h629-j84r)","tags":["vendor-advisory"],"url":"https://github.com/parse-community/parse-server/security/advisories/GHSA-r899-h629-j84r"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:acd6957967bdc903ae851a09e289a5fa054a609612a9317c63cffa6e1b9e6e2a · sha256:d6cca88fca8a950a… · /containers/cna/references/0
{"name":"VulnCheck Advisory: Parse Server 9.0.0 Stored XSS via malformed Content-Type","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/parse-server-stored-xss-via-malformed-content-type"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:acd6957967bdc903ae851a09e289a5fa054a609612a9317c63cffa6e1b9e6e2a · sha256:d6cca88fca8a950a… · /containers/cna/references/1

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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