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CVE-2026-53724

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.79 and 9.9.1-alpha.4, the default file upload extension blocklist can be bypassed by appending a trailing dot to a filename whose extension would otherwise be blocked (e.g. poc.svg.). The trailing dot causes the extension parser to extract an empty string, which short-circuits the blocklist check, and the attacker-controlled Content-Type is forwarded to the storage adapte
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3b14b900bc860e714f2a2bafc4bfbf512fab6cbd7069d9498c912ada19c6eca1
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-434","description":"CWE-434: Unrestricted Upload of File with Dangerous Type","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d3ba0b63c75fd25a8ce25a31e75c05468eba5461f0f1ed21f161f24dc31d12c6 · sha256:62605571adb4c84f… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-79","description":"CWE-79: 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:d3ba0b63c75fd25a8ce25a31e75c05468eba5461f0f1ed21f161f24dc31d12c6 · sha256:62605571adb4c84f… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"parse-server","vendor":"parse-community","versions":[{"status":"affected","version":"< 8.6.79"},{"status":"affected","version":">= 9.0.0, < 9.9.1-alpha.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d3ba0b63c75fd25a8ce25a31e75c05468eba5461f0f1ed21f161f24dc31d12c6 · sha256:62605571adb4c84f… · /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:d3ba0b63c75fd25a8ce25a31e75c05468eba5461f0f1ed21f161f24dc31d12c6 · sha256:62605571adb4c84f… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-434","description":"CWE-434: Unrestricted Upload of File with Dangerous Type","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d3ba0b63c75fd25a8ce25a31e75c05468eba5461f0f1ed21f161f24dc31d12c6 · sha256:62605571adb4c84f… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-79","description":"CWE-79: 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:d3ba0b63c75fd25a8ce25a31e75c05468eba5461f0f1ed21f161f24dc31d12c6 · sha256:62605571adb4c84f… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/parse-community/parse-server/pull/10489","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/pull/10489"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d3ba0b63c75fd25a8ce25a31e75c05468eba5461f0f1ed21f161f24dc31d12c6 · sha256:62605571adb4c84f… · /containers/cna/references/1
{"name":"https://github.com/parse-community/parse-server/pull/10490","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/pull/10490"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d3ba0b63c75fd25a8ce25a31e75c05468eba5461f0f1ed21f161f24dc31d12c6 · sha256:62605571adb4c84f… · /containers/cna/references/2
{"name":"https://github.com/parse-community/parse-server/security/advisories/GHSA-7wqv-xjf3-x35v","tags":["x_refsource_CONFIRM"],"url":"https://github.com/parse-community/parse-server/security/advisories/GHSA-7wqv-xjf3-x35v"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d3ba0b63c75fd25a8ce25a31e75c05468eba5461f0f1ed21f161f24dc31d12c6 · sha256:62605571adb4c84f… · /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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