157 lines
7.5 KiB
JSON
157 lines
7.5 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-55098",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-06-16T14:41:54.579Z",
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"datePublished": "2026-10-30T20:09:04.909Z",
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"dateUpdated": "2026-11-02T15:00:56.869Z"
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},
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"containers": {
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"cna": {
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"title": "Arc: DuckDB I/O aliases bypass database RBAC after CVE-2026-47735",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-200",
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"lang": "en",
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"description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor",
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"type": "CWE"
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}
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]
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},
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{
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"descriptions": [
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{
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"cweId": "CWE-863",
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"lang": "en",
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"description": "CWE-863: Incorrect Authorization",
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"type": "CWE"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "NONE",
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"baseScore": 6.5,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "NONE",
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"privilegesRequired": "LOW",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
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"version": "3.1"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/Basekick-Labs/arc/security/advisories/GHSA-93cm-2v4m-c56c",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/Basekick-Labs/arc/security/advisories/GHSA-93cm-2v4m-c56c"
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},
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{
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"name": "https://github.com/Basekick-Labs/arc/pull/495",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/Basekick-Labs/arc/pull/495"
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},
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{
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"name": "https://github.com/Basekick-Labs/arc/commit/5dc8f53b70a3871b16b0cebf328f07c578af7a45",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/Basekick-Labs/arc/commit/5dc8f53b70a3871b16b0cebf328f07c578af7a45"
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},
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{
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"name": "https://github.com/Basekick-Labs/arc/tree/v26.06.2",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/Basekick-Labs/arc/tree/v26.06.2"
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}
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],
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"affected": [
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{
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"vendor": "Basekick-Labs",
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"product": "arc",
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"versions": [
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{
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"version": "< 26.06.2",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-10-30T20:09:04.909Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Arc is an open, SQL-native time-series database for telemetry. Prior to the repository-verified 26.06.2 repair, the remediation of `CVE-2026-47735` leaves a cross-database authorization bypass through DuckDB table-valued I/O functions. In `internal/database/sandbox.go`, `allowed_directories` uses `cfg.LocalStorageRoot`, configured by `storage.local_path`, while `enable_external_access=false` blocks access outside that entire multi-tenant root. `GetStoragePath` in `internal/storage/util.go` stores all databases beneath it. In `internal/api/query.go`, `extractTableReferences` skips names followed by an opening parenthesis and `checkQueryPermissions` allows queries with no extracted table references, including tokens with `permissions: []`. The `userSQLReadParquetPattern` denylist catches literal `read_parquet(` and the earlier protection also blocks `arc_partition_agg(`, but misses the `parquet_scan` alias and `glob`, `parquet_metadata`, `parquet_schema`, `read_blob`, `read_csv_auto`, `read_json` and `read_text`. A request to `POST /api/v1/query` using these unblocked functions passes `ValidateSQLRequest` and `convertSQLToStoragePaths` without tenant authorization, allowing reads and enumeration of other databases' time-series data, schema and per-column value-range statistics within the allowlisted root. The sandbox still blocks out-of-root OS files and HTTP SSRF, and the sibling SQLite token database outside the root is not exposed by this mechanism. The earlier 26.06.1 remediation does not comprehensively deny these I/O functions. Repository tag 26.06.2 contains the I/O-function repair and supplies the provisional remediation boundary; conflicting advisory affected-version statements require curator adjudication."
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}
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],
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"source": {
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"advisory": "GHSA-93cm-2v4m-c56c",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/Basekick-Labs/arc/security/advisories/GHSA-93cm-2v4m-c56c",
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"tags": [
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"exploit"
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]
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}
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],
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-11-02T15:00:24.385666Z",
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"id": "CVE-2026-55098",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-11-02T15:00:56.869Z"
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}
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}
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]
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}
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} |