Vulnerability · Published Jun 15, 2026 · Assigned by VulDB

CVE-2026-12210universal-tool-calling-protocol python-utcp utcp-gql/utcp-websocket server-side request forgery

Medium 6.3

In plain English

A medium-severity server-side request forgery in python-utcp from universal-tool-calling-protocol. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.3Medium

Exploit odds (30 days)0.2%top 86.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

A vulnerability was detected in universal-tool-calling-protocol python-utcp 1.1.0. This affects an unknown function of the component utcp-gql/utcp-websocket. Performing a manipulation results in server-side request forgery. The attack can be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
PyPI	utcp-gql	1.1.1	GHSA-ppx3-28rw-8fpf
PyPI	utcp-gql	1.1.1	PYSEC-2026-3931
PyPI	utcp-websocket	1.1.1	GHSA-ppx3-28rw-8fpf
PyPI	utcp-websocket	1.1.1	PYSEC-2026-3932

Affected products (as reported)

Vendor	Product	Versions
universal-tool-calling-protocol	python-utcp	1.1.0

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-370852 | universal-tool-calling-protocol python-utcp utcp-gql/utcp-websocket server-side request forgery vdb-entry
VDB-370852 | CTI Indicators (IOB, IOC) signature, permissions-required
CVE-2026-12210 | CVE Analysis and Report third-party-advisory
Submit #832542 | universal-tool-calling-protocol python-utcp 1.1.0 Improper Input Validation third-party-advisory
https://github.com/universal-tool-calling-protocol/python-utcp/issues/86 issue-tracking
https://github.com/gola-leya/cve_submit/issues/1 exploit, issue-tracking
https://github.com/universal-tool-calling-protocol/python-utcp/ product