CVE-2026-101060 python-utcp before 1.1.4 SSRF via unvalidated HTTP redirects
Attackers can exploit unvalidated HTTP redirects in the python-utcp library to access internal services or cloud metadata endpoints.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-101060?
CVE-2026-101060 is a high-severity server-side request forgery vulnerability in universal-tool-calling-protocol python-utcp, published on 27 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
python-utcp versions before 1.1.4 contain a server-side request forgery vulnerability in HttpCommunicationProtocol.call_tool that validates the initial tool URL but follows HTTP redirects without re-validating the target. Attackers controlling a tool endpoint can return a 302 redirect to internal services, allowing the UTCP client to reach cloud metadata endpoints or internal HTTP services and return their response bodies to the caller.
Weakness: CWE-918
Which versions are affected by CVE-2026-101060?
How do I fix CVE-2026-101060?
No fix has been published for CVE-2026-101060 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-101060 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-101060 exists.
Sources
Also known as GHSA-967h-fcmq-3m25.