CVE-2026-12210
CVE-2026-12210 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.
Key facts
- Severity: Medium (CVSS 3.x base score 6.3)
- CVSS v2: 6.5
- CVSS v4: 2.1
- EPSS exploit prediction: 0% (13th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-36684
- Weakness: CWE-918
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-12210?
- 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.
- How severe is CVE-2026-12210?
- CVE-2026-12210 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2026-12210 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-12210?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-12210 have an EU (EUVD) identifier?
- Yes. CVE-2026-12210 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36684.
- When was CVE-2026-12210 published?
- CVE-2026-12210 was published on 2026-06-15 and last updated on 2026-06-17.
References
- https://github.com/gola-leya/cve_submit/issues/1
- https://github.com/universal-tool-calling-protocol/python-utcp/
- https://github.com/universal-tool-calling-protocol/python-utcp/issues/86
- https://vuldb.com/cve/CVE-2026-12210
- https://vuldb.com/submit/832542
- https://vuldb.com/vuln/370852
- https://vuldb.com/vuln/370852/cti
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