What is the CVSS score of CVE-2026-29072?

CVE-2026-29072 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.0%.

Which versions of Discourse are affected by CVE-2026-29072?

CVE-2026-29072 is a remote code execution vulnerability affecting Discourse with a CVSS score of 7.5, enabling attackers to execute arbitrary code on affected instances.. A patch is available.

How to fix or mitigate CVE-2026-29072?

Within 24 hours: Identify all Discourse instances in your environment and document current versions. Within 7 days: Apply the latest vendor-released patch to all Discourse deployments, beginning with production instances, and verify patch installation through version confirmation commands. Within 30 days: Conduct post-patch validation, review access logs for suspicious activity during the vulnerability window, and implement a change management process to prevent future patching delays.

Discourse CVE-2026-29072

EUVD-2026-13245 HIGH

Missing Authorization (CWE-862)

2026-03-19 GitHub_M

Authentication Bypass Discourse

7.5

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Updated

Apr 16, 2026 - 06:20 EUVD-patch-fix

executive_summary

Re-analysis Queued

Apr 16, 2026 - 05:29 backfill_euvd_patch

patch_released

Patch available

Apr 16, 2026 - 05:29 EUVD

2026.1.2,2026.2.1

EUVD ID Assigned

Mar 19, 2026 - 22:00 euvd

EUVD-2026-13245

Analysis Generated

Mar 19, 2026 - 22:00 vuln.today

CVE Published

Mar 19, 2026 - 21:49 nvd

HIGH 7.5

DescriptionGitHub Advisory

Discourse is an open-source discussion platform. Prior to versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2, users who do not belong to the allowed policy creation groups can create functional policy acceptance widgets in posts under the right conditions. Versions 2026.3.0-latest.1, 2026.2.1, and 2026.1.2 contain a patch. As a workaround, disable the discourse-policy plugin by disabling the policy_enabled site setting.

AnalysisAI

A remote code execution vulnerability in Discourse (CVSS 7.5). High severity vulnerability requiring prompt remediation.

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access

Unauthenticated user accesses Discourse post creation

Delivery

Craft post with policy acceptance widget markup

Exploit

Bypass policy group validation checks

Execution

Inject functional widget into post content

Impact

Unauthorized policy acceptance widget deployed to users

Access

Unauthenticated user accesses Discourse post creation

Delivery

Craft post with policy acceptance widget markup

Exploit

Bypass policy group validation checks

Execution

Inject functional widget into post content

Impact

Unauthorized policy acceptance widget deployed to users

Vulnerability AssessmentAI

Exploitation	Requires Discourse versions prior to 2026.3.0-latest.1, 2026.2.1, or 2026.1.2 with the discourse-policy plugin enabled (policy_enabled site setting active). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment	CVSS 7.5. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	An attacker could exploit this vulnerability in Discourse to compromise the security of affected deployments, potentially impacting confidentiality, integrity, or availability.
Remediation	Monitor vendor channels for patch availability. Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Identify all Discourse instances in your environment and document current versions. …

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-29072 vulnerability details – vuln.today

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Discourse CVE-2026-29072

Severity by source

CVSS VectorGitHub Advisory

Lifecycle Timeline

DescriptionGitHub Advisory

AnalysisAI

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Attack ChainAIDerived

Vulnerability AssessmentAI

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