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CVE-2026-33498

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.55 and 9.6.0-alpha.44, an attacker can send an unauthenticated HTTP request with a deeply nested query containing logical operators to permanently hang the Parse Server process. The server becomes completely unresponsive and must be manually restarted. This is a bypass of the fix for CVE-2026-32944. This issue has been patched in versions 8.6.55 and 9.6.0-alpha.44.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5376b3af5d9f6573040a4671953bb2adad9390187472aae834a9b52e3b5874ae
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"parse-server","vendor":"parse-community","versions":[{"status":"affected","version":"< 8.6.55"},{"status":"affected","version":">= 9.0.0, < 9.6.0-alpha.44"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f0389f93fe448783fc13ba9a07dea361e42951560a10143fc4e16a0611d68908 · sha256:68b8acaac18f1002… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","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:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f0389f93fe448783fc13ba9a07dea361e42951560a10143fc4e16a0611d68908 · sha256:68b8acaac18f1002… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-674","description":"CWE-674: Uncontrolled Recursion","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f0389f93fe448783fc13ba9a07dea361e42951560a10143fc4e16a0611d68908 · sha256:68b8acaac18f1002… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"https://github.com/parse-community/parse-server/commit/2581b5426047ce9cbcd3d9c0e8379e9c30e23ab5","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/commit/2581b5426047ce9cbcd3d9c0e8379e9c30e23ab5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f0389f93fe448783fc13ba9a07dea361e42951560a10143fc4e16a0611d68908 · sha256:68b8acaac18f1002… · /containers/cna/references/3
{"name":"https://github.com/parse-community/parse-server/commit/85994eff9e7b34cac7e1a2f5791985022a1461d1","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/commit/85994eff9e7b34cac7e1a2f5791985022a1461d1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f0389f93fe448783fc13ba9a07dea361e42951560a10143fc4e16a0611d68908 · sha256:68b8acaac18f1002… · /containers/cna/references/4
{"name":"https://github.com/parse-community/parse-server/pull/10257","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/pull/10257"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f0389f93fe448783fc13ba9a07dea361e42951560a10143fc4e16a0611d68908 · sha256:68b8acaac18f1002… · /containers/cna/references/1
{"name":"https://github.com/parse-community/parse-server/pull/10258","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/pull/10258"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f0389f93fe448783fc13ba9a07dea361e42951560a10143fc4e16a0611d68908 · sha256:68b8acaac18f1002… · /containers/cna/references/2
{"name":"https://github.com/parse-community/parse-server/security/advisories/GHSA-9fjp-q3c4-6w3j","tags":["x_refsource_CONFIRM"],"url":"https://github.com/parse-community/parse-server/security/advisories/GHSA-9fjp-q3c4-6w3j"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f0389f93fe448783fc13ba9a07dea361e42951560a10143fc4e16a0611d68908 · sha256:68b8acaac18f1002… · /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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