CVE Explorer

CVE-2025-66489

Cal.com is open-source scheduling software. Prior to 5.9.8, A flaw in the login credentials provider allows an attacker to bypass password verification when a TOTP code is provided, potentially gaining unauthorized access to user accounts. This issue exists due to problematic conditional logic in the authentication flow. This vulnerability is fixed in 5.9.8.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2a5ba5bdc4a4063dfa52e96c884b0f63f250c168a5c9eff53abc7323663add38

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"cal.com","vendor":"calcom","versions":[{"status":"affected","version":"< 5.9.8"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:c06fcf5746c7202cdcd23997f2d38d8c07030d03c5f3b1197ee8690a6d6330c0 · sha256:f4e7c2f2df844d48… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.9,"baseSeverity":"CRITICAL","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:c06fcf5746c7202cdcd23997f2d38d8c07030d03c5f3b1197ee8690a6d6330c0 · sha256:f4e7c2f2df844d48… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-303","description":"CWE-303: Incorrect Implementation of Authentication Algorithm","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:c06fcf5746c7202cdcd23997f2d38d8c07030d03c5f3b1197ee8690a6d6330c0 · sha256:f4e7c2f2df844d48… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"name":"https://github.com/calcom/cal.com/security/advisories/GHSA-9r3w-4j8q-pw98","tags":["x_refsource_CONFIRM"],"url":"https://github.com/calcom/cal.com/security/advisories/GHSA-9r3w-4j8q-pw98"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:c06fcf5746c7202cdcd23997f2d38d8c07030d03c5f3b1197ee8690a6d6330c0 · sha256:f4e7c2f2df844d48… · /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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