CVE-2018-19609
CWE-200Published: November 27, 2018· Updated: Jun 17, 2026
Official Description
ShowDoc 2.4.1 allows remote attackers to obtain sensitive information by navigating with a modified page_id, as demonstrated by reading note content, or discovering a username in the JSON data at a diff URL.
Technical Analysis
CVE-2018-19609 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 6.5.
From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-200)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2018-19609 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts