EUVD-2026-77021
GHSA-phcr-xqg5-c575
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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
Network-reachable registration endpoint, no auth needed, self-assigned admin role yields high integrity impact over all application data.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
4DescriptionCVE.org
A vulnerability was identified in jaychouchannel Tourism-Management-System up to 229956e20dbd4a80eeff14535e44d3099502af09. The affected element is an unknown function of the file travel/src/main/java/com/controller/UsersController.java of the component User Register Endpoint. Such manipulation of the argument UsersEntity leads to improper privilege management. The attack can be launched remotely. The exploit is publicly available and might be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The name of the patch is 84d8ec384f669df3985293dab293bb7b477efa64. Applying a patch is advised to resolve this issue.
AnalysisAI
Unauthenticated remote attackers can register accounts with elevated (administrator) privileges in jaychouchannel Tourism-Management-System by manipulating the UsersEntity parameter during registration, bypassing role assignment controls. The commit diff reveals a broader scope than the description implies: at least 12 controller classes (ChatmessageController, multiple Discuss* controllers, ForumController, FriendController, FriendlinkController, NewsController, NewstypeController, StoreupController) had security() endpoints decorated with @IgnoreAuth, making those endpoints callable without any authentication. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No authentication is required; the registration endpoint is intentionally public-facing. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N) correctly captures that exploitation requires no authentication, no user interaction, and no special attack precondition - a straight remote unauthenticated HTTP request. … 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 upstream fix at commit 84d8ec384f669df3985293dab293bb7b477efa64, available at https://github.com/jaychouchannel/Tourism-Management-System/commit/84d8ec384f669df3985293dab293bb7b477efa64. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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