Severity:

HIGH RISK

(7.7)

Content Injection (CWE-79) in Discourse oEmbed Processing

CVE-2026-91159

Deferred

Vulnerability Type

Category:

Content Injection and Stored UI Redressing

CWE:

CWE-79

Impact:

Content Integrity Compromise and Misleading User Interfaces

Severity:

HIGH RISK

(7.7)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

Detect vulnerable code directly in pull requests, so CVEs are fixed before merge.

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

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