Severity:
HIGH RISK
(7.2)
HTTP Response / Header Injection in Serendipity Email
CVE-2026-39971
Analyzed
Vulnerability Type
Category:
HTTP Response / Header Injection
CWE:
CWE-113
Impact:
SMTP Header Injection and Email Identity Spoofing
Severity:
HIGH RISK
(7.2)
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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