CVE-2026-101059

utcp-http before 1.1.4 fails to validate the OAuth2 tokenUrl field from remote OpenAPI specifications, allowing attackers to redirect credential submission to arbitrary endpoints. When a victim registers an attacker-controlled OpenAPI spec and invokes a generated OAuth2-protected tool, the librar...

CVE-2026-101058

python-utcp pip package utcp-http before 1.1.12 does not verify whether tool URLs declared in a hand-written UTCP manual point at the agent's own loopback interface when that manual is discovered from a remote, non-loopback origin. Because ensuresecureurl intentionally permits loopback HTTP for...

CVE-2026-101059 utcp-http before 1.1.4 OAuth2 tokenUrl Trust Boundary Bypass

utcp-http before 1.1.4 fails to validate the OAuth2 tokenUrl field from remote OpenAPI specifications, allowing attackers to redirect credential submission to arbitrary endpoints. When a victim registers an attacker-controlled OpenAPI spec and invokes a generated OAuth2-protected tool, the librar...

EUVD-2026-87984

utcp-http before 1.1.4 fails to validate the OAuth2 tokenUrl field from remote OpenAPI specifications, allowing attackers to redirect credential submission to arbitrary endpoints. When a victim registers an attacker-controlled OpenAPI spec and invokes a generated OAuth2-protected tool, the librar...

CVE-2026-101059

The utcp-http library, in versions before 1.1.4 , is vulnerable to a Trust Boundary Bypass involving the OAuth2 tokenUrl field. The library fails to validate this field when it is sourced from remote OpenAPI specifications . An attacker can exploit this by providing a malicious OpenAPI specificat...

CVE-2026-101058

The python-utcp (pip package utcp-http ) version before 1.1.12 is vulnerable to a Server-Side Request Forgery (SSRF) . The flaw exists because the software fails to verify if tool URLs declared in a hand-written UTCP manual point to the host's loopback interface (127.0.0.1) when the manual is fet...

EUVD-2026-87983

python-utcp pip package utcp-http before 1.1.12 does not verify whether tool URLs declared in a hand-written UTCP manual point at the agent's own loopback interface when that manual is discovered from a remote, non-loopback origin. Because ensuresecureurl intentionally permits loopback HTTP for...

CVE-2026-101059: Server-Side Request Forgery (SSRF)

utcp-http before 1.1.4 fails to validate the OAuth2 tokenUrl field from remote OpenAPI specifications, allowing attackers to redirect credential submission to arbitrary endpoints. When a victim registers an attacker-controlled OpenAPI spec and invokes a generated OAuth2-protected tool, the librar...

CVE-2026-101058: Server-Side Request Forgery (SSRF)

python-utcp pip package utcp-http before 1.1.12 does not verify whether tool URLs declared in a hand-written UTCP manual point at the agent's own loopback interface when that manual is discovered from a remote, non-loopback origin. Because ensuresecureurl intentionally permits loopback HTTP for...

utcp-http vulnerable to SSRF via attacker-controlled OpenAPI servers[0].url in HTTP communication protocol

SummaryThe utcp-http plugin is vulnerable to a blind Server-Side Request Forgery SSRF caused by a trust-boundary inconsistency between manual discovery and tool invocation. registermanual validates the discovery URL against an HTTPS / loopback allowlist, but calltool and calltoolstreaming reuse t...

CVE-2026-45366

typescript-utcp is a typescript implementation of UTCP. Prior to 1.1.2, the @utcp/http package is vulnerable to a blind Server-Side Request Forgery SSRF caused by a trust-boundary inconsistency between manual discovery and tool invocation. registerManual validates the discovery URL against an HTT...

CVE-2026-45366: Server-Side Request Forgery (SSRF)

typescript-utcp is a typescript implementation of UTCP. Prior to 1.1.2, the @utcp/http package is vulnerable to a blind Server-Side Request Forgery SSRF caused by a trust-boundary inconsistency between manual discovery and tool invocation. registerManual validates the discovery URL against an HTT...

Server-side Request Forgery (SSRF)

Overview @utcp/http is a HTTP utilities for UTCP Affected versions of this package are vulnerable to Server-side Request Forgery SSRF via the OpenApiConverter process. An attacker can access internal network resources and sensitive metadata endpoints by supplying a malicious OpenAPI specification...

CVE-2026-44661: Server-Side Request Forgery (SSRF)

python-utcp is the python implementation of UTCP. Prior to 1.1.3, the utcp-http plugin is vulnerable to a blind Server-Side Request Forgery SSRF caused by a trust-boundary inconsistency between manual discovery and tool invocation. registermanual validates the discovery URL against an HTTPS /...

GHSA-39J6-4867-GG4W utcp-http vulnerable to SSRF via attacker-controlled OpenAPI servers[0].url in HTTP communication protocol

Summary The utcp-http plugin is vulnerable to a blind Server-Side Request Forgery SSRF caused by a trust-boundary inconsistency between manual discovery and tool invocation. registermanual validates the discovery URL against an HTTPS / loopback allowlist, but calltool and calltoolstreaming reuse...