EUVD-2026-71633Severity by source
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
AC:H reflects the AT:P requirement to obtain a specific logged invitation key before exploitation; no confidentiality or availability impact per description.
Primary rating from Vendor (github).
CVSS VectorVendor: github
Lifecycle Timeline
5DescriptionCVE.org
Frappe CRM is an open-source customer relationship management tool. Prior to version 1.73.0, there is an authentication bypass vulnerability via logged invitation keys in crm/api. This issue has been patched in version 1.73.0.
AnalysisAI
Authentication bypass in Frappe CRM prior to v1.73.0 allows network-accessible attackers to impersonate users by replaying logged invitation keys against the crm/api endpoint. The root cause is that invitation keys were never invalidated after acceptance - they remained logged and reusable indefinitely. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to first obtain a valid invitation key that was previously issued by the Frappe CRM application. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 score of 8.2 reflects High integrity impact with no confidentiality or availability consequence, which is consistent with an authentication bypass granting write-level access. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Upgrade Frappe CRM to v1.73.0 or later, which sets invitation keys to null immediately upon acceptance and adds a pending status to invitations, preventing key reuse. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all Frappe CRM deployments and identify instances running versions prior to v1.73.0. …
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Threat intelligence, references, and detailed analysis are available after sign-in.
Same weakness CWE-287 – Improper Authentication
View allSame technique Authentication Bypass
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External POC / Exploit Code
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