CVE Explorer

CVE-2026-31901

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 8.6.34 and 9.6.0-alpha.8, the email verification endpoint (/verificationEmailRequest) returns distinct error responses depending on whether an email address belongs to an existing user, is already verified, or does not exist. An attacker can send requests with different email addresses and observe the error codes to determine which email addresses are registered in the application. Th

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:39adf9404ef4fc8417702e99f0d09dc4fc52857fb4d1057bafe7a2772e5f739b

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"parse-server","vendor":"parse-community","versions":[{"status":"affected","version":">= 9.0.0 < 9.6.0-alpha.8"},{"status":"affected","version":"< 8.6.34"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:5bd076a5f36d3afeee3d04a817008b72d509398a4920049568c658dbdb623898 · sha256:fa0a2084708042c7… · /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:v2:5bd076a5f36d3afeee3d04a817008b72d509398a4920049568c658dbdb623898 · sha256:fa0a2084708042c7… · /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:v2:5bd076a5f36d3afeee3d04a817008b72d509398a4920049568c658dbdb623898 · sha256:fa0a2084708042c7… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions

{"name":"https://github.com/parse-community/parse-server/releases/tag/8.6.34","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/releases/tag/8.6.34"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5bd076a5f36d3afeee3d04a817008b72d509398a4920049568c658dbdb623898 · sha256:fa0a2084708042c7… · /containers/cna/references/1

{"name":"https://github.com/parse-community/parse-server/releases/tag/9.6.0-alpha.8","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/releases/tag/9.6.0-alpha.8"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5bd076a5f36d3afeee3d04a817008b72d509398a4920049568c658dbdb623898 · sha256:fa0a2084708042c7… · /containers/cna/references/2

{"name":"https://github.com/parse-community/parse-server/security/advisories/GHSA-w54v-hf9p-8856","tags":["x_refsource_CONFIRM"],"url":"https://github.com/parse-community/parse-server/security/advisories/GHSA-w54v-hf9p-8856"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:5bd076a5f36d3afeee3d04a817008b72d509398a4920049568c658dbdb623898 · sha256:fa0a2084708042c7… · /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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