CVE-2025-68479

Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, some subscription endpoints lack proper checking for ownership before making changes. This issue is patched in versions 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0. No known workarounds are available.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/discourse/discourse/security/advisories/GHSA-6gjr-5897-m327	Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:discourse:discourse:::::stable:::*
	cpe:2.3:a:discourse:discourse:::::stable:::*
	cpe:2.3:a:discourse:discourse:2025.12.0::::stable:::
	cpe:2.3:a:discourse:discourse:2026.1.0::::stable:::

History

30 Jan 2026, 20:43

Type	Values Removed	Values Added
References	~~() https://github.com/discourse/discourse/security/advisories/GHSA-6gjr-5897-m327 -~~	() https://github.com/discourse/discourse/security/advisories/GHSA-6gjr-5897-m327 - Third Party Advisory
CPE		cpe:2.3:a:discourse:discourse:2026.1.0::::stable::: cpe:2.3:a:discourse:discourse:::::stable:::* cpe:2.3:a:discourse:discourse:2025.12.0::::stable:::
First Time		Discourse Discourse discourse

28 Jan 2026, 19:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-28 19:16

Updated : 2026-01-30 20:43

NVD link : CVE-2025-68479

Mitre link : CVE-2025-68479

CVE.ORG link : CVE-2025-68479

JSON object : View

Products Affected

discourse

discourse

CWE

CWE-862

Missing Authorization

{"id": "CVE-2025-68479", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 4.2, "exploitabilityScore": 2.8}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 3.9}]}, "published": "2026-01-28T19:16:23.380", "references": [{"url": "https://github.com/discourse/discourse/security/advisories/GHSA-6gjr-5897-m327", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "Discourse is an open source discussion platform. In versions prior to 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0, some subscription endpoints lack proper checking for ownership before making changes. This issue is patched in versions 3.5.4, 2025.11.2, 2025.12.1, and 2026.1.0. No known workarounds are available."}], "lastModified": "2026-01-30T20:43:17.910", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:discourse:discourse:*:*:*:*:stable:*:*:*", "vulnerable": true, "matchCriteriaId": "FDBF21E2-1191-4020-A17A-0702DE4E6451", "versionEndExcluding": "3.5.4"}, {"criteria": "cpe:2.3:a:discourse:discourse:*:*:*:*:stable:*:*:*", "vulnerable": true, "matchCriteriaId": "539B5B85-44F0-408E-B994-08BB20EA9C26", "versionEndExcluding": "2025.11.2", "versionStartIncluding": "2025.11.0"}, {"criteria": "cpe:2.3:a:discourse:discourse:2025.12.0:*:*:*:stable:*:*:*", "vulnerable": true, "matchCriteriaId": "CCBF47A8-0D3F-4174-8084-CD3517BF272A"}, {"criteria": "cpe:2.3:a:discourse:discourse:2026.1.0:*:*:*:stable:*:*:*", "vulnerable": true, "matchCriteriaId": "F6CF5F98-F08F-4B28-BBE2-8296760A547E"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}