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Publish Advisories
GHSA-jc6w-8r7f-vmp5 GHSA-jwfv-5hwq-f97r GHSA-jc6w-8r7f-vmp5 GHSA-jwfv-5hwq-f97r
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‎advisories/github-reviewed/2022/05/GHSA-jc6w-8r7f-vmp5/GHSA-jc6w-8r7f-vmp5.json‎

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{
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"schema_version": "1.4.0",
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"id": "GHSA-jc6w-8r7f-vmp5",
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"modified": "2025-12-03T19:29:17Z",
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"published": "2022-05-24T17:21:02Z",
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"aliases": [
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"CVE-2017-18871"
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],
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"summary": "Mattermost Server vulnerable to Denial of Service through `@` character prefix inserted into JavaScript field names",
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"details": "An issue was discovered in Mattermost Server before 4.5.0, 4.4.5, 4.3.4, and 4.2.2. It allows attackers to cause a denial of service (application crash) via an @ character before a JavaScript field name.",
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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:N/I:N/A:H"
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}
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],
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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/mattermost/mattermost-server"
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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": "4.2.2"
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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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"package": {
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"ecosystem": "Go",
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"name": "github.com/mattermost/mattermost-server"
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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": "4.3.0-rc1"
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},
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{
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"fixed": "4.3.4"
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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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"package": {
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"ecosystem": "Go",
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"name": "github.com/mattermost/mattermost-server"
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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": "4.4.0-rc1"
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},
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{
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"fixed": "4.4.5"
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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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"package": {
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"ecosystem": "Go",
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"name": "github.com/mattermost/mattermost-server"
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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": "4.5.0-rc1"
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},
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{
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"fixed": "4.5.0"
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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-2017-18871"
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},
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{
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"type": "PACKAGE",
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"url": "https://github.com/mattermost/mattermost"
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},
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{
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"type": "WEB",
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"url": "https://mattermost.com/security-updates"
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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-248"
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],
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"severity": "HIGH",
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"github_reviewed": true,
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"github_reviewed_at": "2025-12-03T19:29:16Z",
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"nvd_published_at": "2020-06-19T17:15:00Z"
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}
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}

‎advisories/github-reviewed/2022/05/GHSA-jwfv-5hwq-f97r/GHSA-jwfv-5hwq-f97r.json‎

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{
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"schema_version": "1.4.0",
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"id": "GHSA-jwfv-5hwq-f97r",
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"modified": "2025-12-03T19:31:50Z",
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"published": "2022-05-24T17:21:06Z",
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"aliases": [
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"CVE-2017-18902"
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],
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"summary": "Mattermost Server exposes team invite IDs through API endpoints",
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"details": "An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. It allows attackers to discover team invite IDs via team API endpoints.",
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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:L/I:N/A:N"
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}
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],
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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/mattermost/mattermost-server"
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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": "3.10.3"
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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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"package": {
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"ecosystem": "Go",
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"name": "github.com/mattermost/mattermost-server"
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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": "4.0.0"
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},
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{
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"fixed": "4.0.4"
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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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"package": {
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"ecosystem": "Go",
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"name": "github.com/mattermost/mattermost-server"
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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": "4.0.5-rc1"
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},
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{
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"fixed": "4.1.0"
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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-2017-18902"
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},
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{
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"type": "PACKAGE",
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"url": "https://github.com/mattermost/mattermost"
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},
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{
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"type": "WEB",
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"url": "https://mattermost.com/security-updates"
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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-200"
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],
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"severity": "MODERATE",
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"github_reviewed": true,
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"github_reviewed_at": "2025-12-03T19:31:49Z",
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"nvd_published_at": "2020-06-19T19:15:00Z"
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}
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}

‎advisories/unreviewed/2022/05/GHSA-jc6w-8r7f-vmp5/GHSA-jc6w-8r7f-vmp5.json‎

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‎advisories/unreviewed/2022/05/GHSA-jwfv-5hwq-f97r/GHSA-jwfv-5hwq-f97r.json‎

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