---
title: "CVE-2026-101060: python-utcp - Server-Side Request Forgery"
description: "python-utcp < 1.1.4 contains a server-side request forgery caused by improper validation of HTTP redirects in HttpCommunicationProtocol.call_tool, letting attackers redirect requests to internal services, exploit requires attacker control of a tool endpoint."
url: https://panop.io/threat-heartbeat/CVE-2026-101060/
---

# CVE-2026-101060 python-utcp - Server-Side Request Forgery

python-utcp < 1.1.4 contains a server-side request forgery caused by improper validation of HTTP redirects in HttpCommunicationProtocol.call\_tool, letting attackers redirect requests to internal services, exploit requires attacker control of a tool endpoint.

CVSS base score 8.2 /10

High

CISA KEV

Not listed

Public exploit

None known

EPSS

0.18% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-101060)

## Details

Type

Server-Side Request Forgery

Impact

Information Disclosure

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N

Published

27 September 2026

Updated

15 October 2026

Weakness

[CWE-918](https://cwe.mitre.org/data/definitions/918.html)

## Vendor fix

Update to version 1.1.4 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-101060](https://nvd.nist.gov/vuln/detail/CVE-2026-101060)
- [https://github.com/universal-tool-calling-protocol/python-utcp/security/advisories/GHSA-9qhg-99ww-9mqc](https://github.com/universal-tool-calling-protocol/python-utcp/security/advisories/GHSA-9qhg-99ww-9mqc)
- [https://www.vulncheck.com/advisories/python-utcp-before-1.1.4-ssrf-via-unvalidated-http-redirects](https://www.vulncheck.com/advisories/python-utcp-before-1.1.4-ssrf-via-unvalidated-http-redirects)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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