CVE Explorer

CVE-2026-33624

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.60 and 9.6.0-alpha.54, an attacker who obtains a user's password and a single MFA recovery code can reuse that recovery code an unlimited number of times by sending concurrent login requests. This defeats the single-use design of recovery codes. The attack requires the user's password, a valid recovery code, and the ability to send concurrent requests within milliseconds.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b34552d88112964e34ea1507339d5e1459e1ae92883117b7ddb2e49a059759cb

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":"< 8.6.60"},{"status":"affected","version":">= 9.0.0, < 9.6.0-alpha.54"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:245ce041f7f99f18aa483cd3b4fd76492b8c769a105bc5de50e45a354ee34bc0 · sha256:3ab4d2cfa46418d5… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":2.1,"baseSeverity":"LOW","privilegesRequired":"HIGH","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:245ce041f7f99f18aa483cd3b4fd76492b8c769a105bc5de50e45a354ee34bc0 · sha256:3ab4d2cfa46418d5… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-367","description":"CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:245ce041f7f99f18aa483cd3b4fd76492b8c769a105bc5de50e45a354ee34bc0 · sha256:3ab4d2cfa46418d5… · /containers/cna/problemTypes/0/descriptions/0

Source references

5 source assertions

{"name":"https://github.com/parse-community/parse-server/commit/5e70094250a36bfcc14ecd49592be2b94fba66ff","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/commit/5e70094250a36bfcc14ecd49592be2b94fba66ff"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:245ce041f7f99f18aa483cd3b4fd76492b8c769a105bc5de50e45a354ee34bc0 · sha256:3ab4d2cfa46418d5… · /containers/cna/references/3

{"name":"https://github.com/parse-community/parse-server/commit/fc3da35a81d5083b453e8967cabcc880f1a3bd0c","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/commit/fc3da35a81d5083b453e8967cabcc880f1a3bd0c"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:245ce041f7f99f18aa483cd3b4fd76492b8c769a105bc5de50e45a354ee34bc0 · sha256:3ab4d2cfa46418d5… · /containers/cna/references/4

{"name":"https://github.com/parse-community/parse-server/pull/10275","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/pull/10275"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:245ce041f7f99f18aa483cd3b4fd76492b8c769a105bc5de50e45a354ee34bc0 · sha256:3ab4d2cfa46418d5… · /containers/cna/references/1

{"name":"https://github.com/parse-community/parse-server/pull/10276","tags":["x_refsource_MISC"],"url":"https://github.com/parse-community/parse-server/pull/10276"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:245ce041f7f99f18aa483cd3b4fd76492b8c769a105bc5de50e45a354ee34bc0 · sha256:3ab4d2cfa46418d5… · /containers/cna/references/2

{"name":"https://github.com/parse-community/parse-server/security/advisories/GHSA-2299-ghjr-6vjp","tags":["x_refsource_CONFIRM"],"url":"https://github.com/parse-community/parse-server/security/advisories/GHSA-2299-ghjr-6vjp"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:245ce041f7f99f18aa483cd3b4fd76492b8c769a105bc5de50e45a354ee34bc0 · sha256:3ab4d2cfa46418d5… · /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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