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GHSA-x8mg-6r4p-87pf

HighCVSS 7.1 / 10
Published Jul 16, 2026·Last modified Jul 16, 2026
Affected Components(1)
Maven logocom.arcadedb/arcadedb-server
< 26.7.2
Description

About 14 HTTP handlers resolve the {database} path param and call getDatabase(...) WITHOUT user.canAccessToDatabase(...) and without setting the engine principal, because they extend AbstractServerHttpHandler directly instead of DatabaseAbstractHandler (which holds the only per-database gate at DatabaseAbstractHandler.java:69,88-90). Affected: PostBatchHandler:129, PostTimeSeriesWriteHandler:115, PostPrometheusWriteHandler:83, PostTimeSeriesQueryHandler:69, GetTimeSeriesLatestHandler:58, PostGrafanaQueryHandler:69, GetGrafanaHealthHandler:49, GetGrafanaMetadataHandler:52, GetPromQLQueryHandler:63, GetPromQLQueryRangeHandler:71, GetPromQLLabelsHandler:56, GetPromQLLabelValuesHandler:62, GetPromQLSeriesHandler:72, PostPrometheusReadHandler:85. The engine fallback is also void: LocalDatabase.checkPermissionsOnDatabase:711 early-returns when getCurrentUser()==null.

Exploit: a user authorized only for DB 'a' calls POST /api/v1/batch/b, POST /api/v1/ts/b/write, GET /api/v1/ts/b/prom/api/v1/query, POST /api/v1/ts/b/query -> full read AND write of DB 'b' (200 OK). The equivalent /api/v1/command/b correctly returns 403.

Fix: re-parent these handlers to DatabaseAbstractHandler, or add a shared resolveAuthorizedDatabase() choke point that enforces canAccessToDatabase and sets the engine principal before getDatabase(...). Fail closed when the security context is absent.

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Risk Scores
Base Score
7.1

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability.

Threat Intelligence
4.9

Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.

EPSS
0.32%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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