CVE-2026-53840 - CERT CVE
ID CVE-2026-53840
Sažetak OpenClaw before 2026.5.12 contains an information disclosure vulnerability in streamable-http MCP servers that forwards operator-configured custom headers during cross-origin redirects. Attackers controlling or compromising an MCP endpoint can redirect requests to exfiltrate sensitive headers like API keys or tenant-routing credentials to attacker-controlled origins.
Reference
CVSS
Base: 7.1
Impact: 4.2
Exploitability:2.8
Pristup
VektorSloženostAutentikacija
NETWORK LOW LOW
Impact
PovjerljivostCjelovitostDostupnost
HIGH LOW NONE
CVSS vektor CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Zadnje važnije ažuriranje 16-06-2026 - 20:42
Objavljeno 16-06-2026 - 19:17