EUVD-2026-53314
GHSA-9q89-f4h2-5wx7
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Network-accessible unauthenticated endpoints with trivial enumeration; impact is confidentiality-only with no integrity or availability effect.
Primary rating from Vendor (309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c).
CVSS VectorVendor: 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
Lifecycle Timeline
2DescriptionCVE.org
Book-Management-System's Flask API endpoints /student, /record, /books, /find_stu_book, and /find_not_return_book are missing the @login_required decorator that protects sibling routes (/search_student, /storage) in the same file. This allows any unauthenticated remote user to retrieve student PII (name, gender, card validity, debt status) and full book-borrowing history by supplying a card_id. Because card_id values are sequential integers, the entire student database can be enumerated without authentication.
AnalysisAI
Five Flask API endpoints in Book-Management-System (/student, /record, /books, /find_stu_book, /find_not_return_book) are missing authentication controls, exposing student PII and borrowing history to any unauthenticated remote caller. Because the card_id parameter is a sequential integer, a trivial enumeration loop can drain the entire student database without credentials. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The five endpoints must be network-reachable; no authentication is required, confirmed by CVSS PR:N. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N is fully consistent with the description - network reachable, zero authentication, zero complexity, high confidentiality impact. … 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 | Apply the @login_required decorator (or equivalent authentication guard) to all five affected endpoints - /student, /record, /books, /find_stu_book, and /find_not_return_book - matching the pattern already in use on /search_student and /storage in the same file. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Isolate affected endpoints or restrict network access to known authorized IPs, preserve audit logs, and inventory which student records may have been exposed. …
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External POC / Exploit Code
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