172 lines
8.5 KiB
JSON
172 lines
8.5 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-2026-10054",
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"assignerOrgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c",
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"state": "PUBLISHED",
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"assignerShortName": "eclipse",
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"dateReserved": "2026-05-29T07:35:37.279Z",
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"datePublished": "2026-07-03T10:11:32.446Z",
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"dateUpdated": "2026-07-07T03:56:07.775Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "e51fbebd-6053-4e49-959f-1b94eeb69a2c",
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"shortName": "eclipse",
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"dateUpdated": "2026-07-03T10:11:32.446Z"
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},
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-1385",
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"description": "CWE-1385 Missing origin validation in WebSockets",
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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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"lang": "en",
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"cweId": "CWE-306",
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"description": "CWE-306 Missing authentication for critical function",
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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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"impacts": [
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{
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"capecId": "CAPEC-111",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-111 JSON Hijacking (aka JavaScript Hijacking)"
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}
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]
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},
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{
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"capecId": "CAPEC-62",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-62 Cross Site Request Forgery"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "Eclipse Foundation",
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"product": "Eclipse Theia",
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"versions": [
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{
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"status": "affected",
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"version": "1.8.1",
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"lessThan": "1.73.0",
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"versionType": "semver"
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}
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],
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"defaultStatus": "unaffected"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "In affected versions of Eclipse Theia (1.8.1 and later), the browser backend exposes privileged terminal RPC over WebSocket (/services/shell-terminal, /services/terminals/:id) without service-level authentication.\n\n\n\n\nWebSocket origin validation in @theia/core is fail-open: connections are accepted when the Origin header is missing or when no THEIA_HOSTS allowlist is configured (the default). The Socket.IO integration additionally replaces the real Origin header with a client-supplied fix-origin header that an attacker can control or omit.\n\n\n\n\nAs a result, a foreign-origin web page visited by a user with a running Theia instance can open the /services WebSocket namespace, invoke terminal creation, attach to the resulting terminal data channel, execute arbitrary OS commands, and read their output. This affects both local developer setups (drive-by attack) and hosted or tunneled deployments without strong external authentication.\n\n\n\n\nA fix is in development that enforces same-origin validation by default, removes trust in the fix-origin header, gates HTTP and WebSocket access on a SameSite=Strict; HttpOnly connection-token cookie, and sanitizes shell terminal creation options.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<p>In affected versions of Eclipse Theia (1.8.1 and later), the browser backend exposes privileged terminal RPC over WebSocket (<code>/services/shell-terminal</code>, <code>/services/terminals/:id</code>) without service-level authentication.</p>\n<p>WebSocket origin validation in <code>@theia/core</code> is fail-open: connections are accepted when the <code>Origin</code> header is missing or when no <code>THEIA_HOSTS</code> allowlist is configured (the default). The Socket.IO integration additionally replaces the real <code>Origin</code> header with a client-supplied <code>fix-origin</code> header that an attacker can control or omit.</p>\n<p>As a result, a foreign-origin web page visited by a user with a running Theia instance can open the <code>/services</code> WebSocket namespace, invoke terminal creation, attach to the resulting terminal data channel, execute arbitrary OS commands, and read their output. This affects both local developer setups (drive-by attack) and hosted or tunneled deployments without strong external authentication.</p>\n<p>A fix is in development that enforces same-origin validation by default, removes trust in the <code>fix-origin</code> header, gates HTTP and WebSocket access on a <code>SameSite=Strict; HttpOnly</code> connection-token cookie, and sanitizes shell terminal creation options.</p>"
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}
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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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"url": "https://github.com/eclipse-theia/theia/security/advisories/GHSA-78g8-vm3p-97c6"
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},
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{
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"url": "https://gitlab.eclipse.org/security/vulnerability-reports/-/work_items/376"
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV3_1": {
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"version": "3.1",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "REQUIRED",
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"scope": "UNCHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "HIGH",
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"availabilityImpact": "HIGH",
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"baseSeverity": "HIGH",
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"baseScore": 8.8,
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
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}
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "Anwar Ayoob",
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"type": "reporter"
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}
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],
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"source": {
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"discovery": "UNKNOWN"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.2"
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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": "2026-07-06T00:00:00+00:00",
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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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"id": "CVE-2026-10054"
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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": "2026-07-07T03:56:07.775Z"
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}
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}
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]
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}
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} |