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CVE-2026-33323

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.51 and 9.6.0-alpha.40, the Pages route and legacy PublicAPI route for resending email verification links return distinguishable responses depending on whether the provided username exists and has an unverified email. This allows an unauthenticated attacker to enumerate valid usernames by observing different redirect targets. The existing emailVerifySuccessOnInvalidEmail c
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2c3797ee155ffd1d642dac133ebb623bcb0b626926c3dffa8bd015d7ad7ed8e8
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":"< 8.6.51"},{"status":"affected","version":">= 9.0.0, < 9.6.0-alpha.40"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e8da27dae85e1cb59cc5ddd2a2b7be28c0ecef26f0b2213f5a2c1930eb00ceac · sha256:bd9a501518e8417f… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6.3,"baseSeverity":"MEDIUM","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e8da27dae85e1cb59cc5ddd2a2b7be28c0ecef26f0b2213f5a2c1930eb00ceac · sha256:bd9a501518e8417f… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-204","description":"CWE-204: Observable Response Discrepancy","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:e8da27dae85e1cb59cc5ddd2a2b7be28c0ecef26f0b2213f5a2c1930eb00ceac · sha256:bd9a501518e8417f… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions
{"name":"https://github.com/parse-community/parse-server/commit/967aa57732202009b2389ce9ecb3130d53d657e5","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/commit/967aa57732202009b2389ce9ecb3130d53d657e5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e8da27dae85e1cb59cc5ddd2a2b7be28c0ecef26f0b2213f5a2c1930eb00ceac · sha256:bd9a501518e8417f… · /containers/cna/references/3
{"name":"https://github.com/parse-community/parse-server/commit/fbda4cb0c5cbc8fad08a216823b6b64d4ae289c3","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/commit/fbda4cb0c5cbc8fad08a216823b6b64d4ae289c3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e8da27dae85e1cb59cc5ddd2a2b7be28c0ecef26f0b2213f5a2c1930eb00ceac · sha256:bd9a501518e8417f… · /containers/cna/references/4
{"name":"https://github.com/parse-community/parse-server/pull/10238","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/pull/10238"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e8da27dae85e1cb59cc5ddd2a2b7be28c0ecef26f0b2213f5a2c1930eb00ceac · sha256:bd9a501518e8417f… · /containers/cna/references/1
{"name":"https://github.com/parse-community/parse-server/pull/10243","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/pull/10243"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e8da27dae85e1cb59cc5ddd2a2b7be28c0ecef26f0b2213f5a2c1930eb00ceac · sha256:bd9a501518e8417f… · /containers/cna/references/2
{"name":"https://github.com/parse-community/parse-server/security/advisories/GHSA-h29g-q5c2-9h4f","tags":["x_refsource_CONFIRM"],"url":"https://github.com/parse-community/parse-server/security/advisories/GHSA-h29g-q5c2-9h4f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e8da27dae85e1cb59cc5ddd2a2b7be28c0ecef26f0b2213f5a2c1930eb00ceac · sha256:bd9a501518e8417f… · /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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