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NVD Vulnerability Details :
CVE-2026-33185
Analyzed
More InfoOfficial Page
Source-security-advisories@github.com
View Known Exploited Vulnerability (KEV) details
Published At-31 Mar, 2026 | 18:16
Updated At-09 Apr, 2026 | 15:51

Discourse is an open-source discussion platform. From versions 2026.1.0-latest to before 2026.1.3, 2026.2.0-latest to before 2026.2.2, and 2026.3.0-latest to before 2026.3.0, the group email settings test endpoint could be used to make the server initiate outbound connections to arbitrary hosts and ports. This could allow probing of internal network infrastructure. The endpoint was accessible to non-staff group owners. This issue has been patched in versions 2026.1.3, 2026.2.2, and 2026.3.0.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.05.3MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary3.15.0MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Type: Secondary
Version: 4.0
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Primary
Version: 3.1
Base score: 5.0
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
CPE Matches
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>Versions from 2026.1.0(inclusive) to 2026.1.3(exclusive)
cpe:2.3:a:discourse:discourse:*:*:*:*:latest:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>Versions from 2026.2.0(inclusive) to 2026.2.2(exclusive)
cpe:2.3:a:discourse:discourse:*:*:*:*:latest:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>2026.3.0
cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>2026.3.0
cpe:2.3:a:discourse:discourse:2026.3.0:*:*:*:latest.1:*:*:*
Weaknesses
CWE IDTypeSource
CWE-918Primarysecurity-advisories@github.com
CWE ID: CWE-918
Type: Primary
Source: security-advisories@github.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/discourse/discourse/commit/e75cf456e8e318290c569bd6e8fa0f2586ffc530security-advisories@github.com
Patch
https://github.com/discourse/discourse/security/advisories/GHSA-5976-77mj-m4h3security-advisories@github.com
Vendor Advisory
Hyperlink: https://github.com/discourse/discourse/commit/e75cf456e8e318290c569bd6e8fa0f2586ffc530
Source: security-advisories@github.com
Resource:
Patch
Hyperlink: https://github.com/discourse/discourse/security/advisories/GHSA-5976-77mj-m4h3
Source: security-advisories@github.com
Resource:
Vendor Advisory
Change History
0Changes found
Details not found