140 lines
6.4 KiB
JSON
140 lines
6.4 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-2026-85708",
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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": "2026-09-04T14:45:10.647Z",
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"datePublished": "2026-11-06T21:06:25.700Z",
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"dateUpdated": "2026-11-10T20:15:14.339Z"
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},
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"containers": {
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"cna": {
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"title": "Chartbrew: Private chart data disclosure via forgeable CB_SECRET share tokens",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-347",
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"lang": "en",
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"description": "CWE-347: Improper Verification of Cryptographic Signature",
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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": 7.5,
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"baseSeverity": "HIGH",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "NONE",
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"privilegesRequired": "NONE",
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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:N/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/chartbrew/chartbrew/security/advisories/GHSA-3chp-cr6f-hp63",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/chartbrew/chartbrew/security/advisories/GHSA-3chp-cr6f-hp63"
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},
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{
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"name": "https://github.com/chartbrew/chartbrew/commit/07fff78db39e1c073a0301ac382c565268824e09",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/chartbrew/chartbrew/commit/07fff78db39e1c073a0301ac382c565268824e09"
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},
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{
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"name": "https://github.com/chartbrew/chartbrew/releases/tag/v5.2.3",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/chartbrew/chartbrew/releases/tag/v5.2.3"
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}
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],
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"affected": [
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{
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"vendor": "chartbrew",
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"product": "chartbrew",
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"versions": [
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{
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"version": "< 5.2.3",
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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": "2026-11-06T21:06:25.700Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. Prior to 5.2.3, Chart share and embed tokens were signed with CB_SECRET, including known or shipped-default values in stock source and repository Docker Compose installs. The vulnerable surface is chart share-token verification and filter-access routes for private charts. An attacker who knows the deployment's CB_SECRET targets a private chart that has been shared at least once so a share-policy row exists, then forges a Chart-subject token for that chart id. The known signing key permits valid Chart tokens, and the filter-access path accepts sequential integer ids without requiring a legitimate share link; token expiry and revocation are ineffective once the secret is known. The condition requires a known or default secret and an existing share-policy row. A bare container where CB_SECRET is undefined is outside this path, and a unique secret excludes it only while the value remains unknown and unpredictable. An unauthenticated attacker can enumerate integer ids and read arbitrary private chart data, including chartData, without possessing a legitimate share link. This issue is fixed in version 5.2.3."
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}
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],
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"source": {
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"advisory": "GHSA-3chp-cr6f-hp63",
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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/chartbrew/chartbrew/security/advisories/GHSA-3chp-cr6f-hp63",
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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": "2026-11-10T20:14:48.886663Z",
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"id": "CVE-2026-85708",
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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": "yes"
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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": "2026-11-10T20:15:14.339Z"
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}
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}
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]
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}
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} |