Lucene search
+L

CVE-2026-39963 Serendipity: Host Header Injection enables authentication cookie scoping to an attacker-controlled domain

🗓️ 14 Apr 2026 23:31:13Reported by GitHub_MType 
vulnrichment
 vulnrichment
🔗 github.com👁 11 Views

Serendipity up to 2.6-beta2 allows Host header to set cookie domain, enabling session fixation; fixed in 2.6.0.

Related
Refs

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

14 Apr 2026 23:31Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.16.9
EPSS0.00224
SSVC
11