CVE-2026-33426
LOW
CVSS 3.5
No EPSS data
Description
Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, users with tag-editing permissions could edit and create synonyms for tags hidden in restricted tag groups, even if they lacked visibility into those tags. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. No known workarounds are available.
CVSS details
EPSS
This CVE is not currently listed in the EPSS dataset.
Show JSON
{
"cve": {
"id": "CVE-2026-33426",
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"version": "3.1",
"baseScore": 3.5,
"attackVector": "NETWORK",
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "HIGH",
"confidentialityImpact": "LOW"
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{
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"source": "nvd@nist.gov",
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"baseSeverity": "LOW",
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"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
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"published": "2026-03-21T00:16:27.170",
"references": [
{
"url": "https://github.com/discourse/discourse/security/advisories/GHSA-2289-4m46-2hxh",
"tags": [
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"vulnStatus": "Analyzed",
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"description": [
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"value": "CWE-862"
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}
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},
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}
],
"lastModified": "2026-03-24T19:56:39.223",
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