125 lines
5.4 KiB
JSON
125 lines
5.4 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-2026-40937",
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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": "2026-04-15T20:40:15.518Z",
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"datePublished": "2026-04-22T20:15:57.266Z",
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"dateUpdated": "2026-04-23T16:24:57.337Z"
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},
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"containers": {
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"cna": {
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"title": "RustFS missing admin authorization on notification target endpoints, which allows unauthenticated configuration of event webhooks",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-862",
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"lang": "en",
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"description": "CWE-862: Missing 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": "LOW",
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"baseScore": 8.3,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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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:H/A:L",
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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/rustfs/rustfs/security/advisories/GHSA-pfcq-4gjr-6gjm",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/rustfs/rustfs/security/advisories/GHSA-pfcq-4gjr-6gjm"
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},
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{
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"name": "https://github.com/rustfs/rustfs/releases/tag/1.0.0-alpha.94",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/rustfs/rustfs/releases/tag/1.0.0-alpha.94"
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}
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],
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"affected": [
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{
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"vendor": "rustfs",
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"product": "rustfs",
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"versions": [
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{
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"version": "< 1.0.0-alpha.94",
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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": "2026-04-22T20:15:57.266Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "RustFS is a distributed object storage system built in Rust. Prior to 1.0.0-alpha.94, all four notification target admin API endpoints in `rustfs/src/admin/handlers/event.rs` use a `check_permissions` helper that validates authentication only (access key + session token), without performing any admin-action authorization via `validate_admin_request`. Every other admin handler in the codebase correctly calls `validate_admin_request` with a specific `AdminAction`. This is the only admin handler file that skips authorization. A non-admin user can overwrite a shared admin-defined notification target by name, causing subsequent bucket events to be delivered to an attacker-controlled endpoint. This enables cross-user event interception and audit evasion. 1.0.0-alpha.94 contains a patch."
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}
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],
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"source": {
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"advisory": "GHSA-pfcq-4gjr-6gjm",
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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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"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": "2026-04-23T13:41:06.202053Z",
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"id": "CVE-2026-40937",
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"options": [
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{
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"Exploitation": "none"
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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": "total"
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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": "2026-04-23T16:24:57.337Z"
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}
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}
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]
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}
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} |