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advisories/unreviewed/2026/05/GHSA-c9w5-qp6m-m395/GHSA-c9w5-qp6m-m395.json renamed to advisories/github-reviewed/2026/05/GHSA-c9w5-qp6m-m395/GHSA-c9w5-qp6m-m395.json

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{
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"schema_version": "1.4.0",
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"id": "GHSA-c9w5-qp6m-m395",
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"modified": "2026-06-02T18:31:26Z",
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"modified": "2026-07-09T23:32:36Z",
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"published": "2026-05-28T18:30:32Z",
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"aliases": [
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"CVE-2026-9094"
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],
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"summary": "Casdoor: GetTokenExchangeToken bypass through lack of cross-organization JWT signature check",
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"details": "Casdoor versions 2.362.0 and earlier contain a vulnerability enabling cross-organization token exchange. The GetTokenExchangeToken function in object/token_oauth.go validates JWT signatures but does not verify that the token's user belongs to the same organization as the target application. This can result in privilege escalation across organizational boundaries.",
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"severity": [
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{
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"type": "CVSS_V3",
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"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
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}
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],
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"affected": [],
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"affected": [
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{
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"package": {
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"ecosystem": "Go",
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"name": "github.com/casdoor/casdoor"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "0"
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},
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{
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"fixed": "2.387.0"
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}
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]
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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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"type": "ADVISORY",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-9094"
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},
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{
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"type": "WEB",
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"url": "https://github.com/casdoor/casdoor/commit/d92b8568686d"
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},
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{
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"type": "PACKAGE",
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"url": "https://github.com/casdoor/casdoor"
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},
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{
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"type": "WEB",
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"url": "https://kb.cert.org/vuls/id/780781"
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}
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],
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"database_specific": {
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"cwe_ids": [],
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"cwe_ids": [
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"CWE-269",
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"CWE-863"
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],
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"severity": "CRITICAL",
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"github_reviewed": false,
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"github_reviewed_at": null,
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"github_reviewed": true,
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"github_reviewed_at": "2026-07-09T23:32:36Z",
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"nvd_published_at": "2026-05-28T17:16:34Z"
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}
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}

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