CVE-2026-1436 describes an Improper Access Control (IDOR) vulnerability in Graylog API version 2.2.3. This flaw allows an authenticated user to access other user profiles by modifying the user ID in the URL, bypassing authorization checks. The vulnerability has a CVSS score of 6.5 (Medium), indicating it can be exploited over the network with low complexity by a low-privileged user, leading to high confidentiality impact by exposing sensitive user information like names, emails, and activity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.2.3CPE matchmatch criteria | cpe:2.3:a:graylog:graylog:2.2.3:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.