CVE Explorer

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 HTTPS / loopback allowlist, but callTool() reuses the resolved toolCallTemplate.url directly without revalidating, and the OpenApiConverter blindly trusts whatever servers[0].url an attacker-hosted spec

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:83e3c02a0a02807434de31f4427ad3dea38c95f88b5049e5840e4db7d90515e6

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"typescript-utcp","vendor":"universal-tool-calling-protocol","versions":[{"status":"affected","version":"< 1.1.2"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:3727d364b7943a6fbc409f911695a3f21ad686b4dea4780f29f9e5a6d2120c23 · sha256:738c0dba2af5af89… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":4.7,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:3727d364b7943a6fbc409f911695a3f21ad686b4dea4780f29f9e5a6d2120c23 · sha256:738c0dba2af5af89… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion

{"cweId":"CWE-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:3727d364b7943a6fbc409f911695a3f21ad686b4dea4780f29f9e5a6d2120c23 · sha256:738c0dba2af5af89… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"name":"https://github.com/universal-tool-calling-protocol/typescript-utcp/security/advisories/GHSA-r8j5-8747-88cm","tags":["x_refsource_CONFIRM"],"url":"https://github.com/universal-tool-calling-protocol/typescript-utcp/security/advisories/GHSA-r8j5-8747-88cm"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:3727d364b7943a6fbc409f911695a3f21ad686b4dea4780f29f9e5a6d2120c23 · sha256:738c0dba2af5af89… · /containers/cna/references/0

Attribution and limitations

CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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