CVE-2026-23744 is a critical remote code execution (RCE) vulnerability affecting MCPJam inspector versions 1.4.2 and earlier. An unauthenticated attacker can trigger RCE by sending a crafted HTTP request to the vulnerable server, which by default listens on 0.0.0.0. This vulnerability has a CVSS score of 9.8 (Critical) due to its network attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While not currently listed in CISA's KEV catalog, public exploit code is available via Nuclei templates, and it has garnered significant community discussion, indicating a high potential for exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.4.3CPE matchmatch criteria | cpe:2.3:a:mcpjam:inspector:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.