How severe is CVE-2026-7653?

CVE-2026-7653 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-2026-7653 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-7653?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-7653 have an EU (EUVD) identifier?

Yes. CVE-2026-7653 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26800.

When was CVE-2026-7653 published?

CVE-2026-7653 was published on 2026-05-02 and last updated on 2026-06-17.

CVE-2026-7653

CVE-2026-7653 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-77.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26800
Weakness: CWE-77
Published: 2026-05-02
Last modified: 2026-06-17

Description

A security flaw has been discovered in r-huijts mcp-server-rijksmuseum up to 1.0.4. Affected is the function open_image_in_browser of the file src/index.ts of the component MCP Interface. Performing a manipulation of the argument imageUrl results in os command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Frequently asked questions

What is CVE-2026-7653?: A security flaw has been discovered in r-huijts mcp-server-rijksmuseum up to 1.0.4. Affected is the function open_image_in_browser of the file src/index.ts of the component MCP Interface. Performing a manipulation of the argument imageUrl results in os command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.
How severe is CVE-2026-7653?: CVE-2026-7653 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-2026-7653 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-7653?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-7653 have an EU (EUVD) identifier?: Yes. CVE-2026-7653 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26800.
When was CVE-2026-7653 published?: CVE-2026-7653 was published on 2026-05-02 and last updated on 2026-06-17.

References

Other CWE-77 (Command Injection) vulnerabilities

CVE-2026-23652 — Critical (CVSS 10.0): Improper neutralization of special elements used in a command ('command injection') in Microsoft Power Pages allows an…
CVE-2025-59818 — Critical (CVSS 10.0): This vulnerability allows authenticated attackers to execute arbitrary commands on the underlying system using the file…
CVE-2025-64093 — Critical (CVSS 10.0): Remote Code Execution vulnerability that allows unauthenticated attackers to inject arbitrary commands into the…
CVE-2025-64090 — Critical (CVSS 10.0): This vulnerability allows authenticated attackers to execute commands via the hostname of the device.
CVE-2025-61492 — Critical (CVSS 10.0): A command injection vulnerability in the execute_command function of terminal-controller-mcp 0.1.7 allows attackers to…
CVE-2025-10035 — Critical (CVSS 10.0): A deserialization vulnerability in the License Servlet of Fortra's GoAnywhere MFT allows an actor with a validly forged…

Browse all CWE-77 (Command Injection) vulnerabilities →