How severe is CVE-2026-7157?

CVE-2026-7157 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-7157 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-7157?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-7157 have an EU (EUVD) identifier?

Yes. CVE-2026-7157 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25924.

When was CVE-2026-7157 published?

CVE-2026-7157 was published on 2026-04-27 and last updated on 2026-06-17.

CVE-2026-7157

CVE-2026-7157 is a high-severity vulnerability with a CVSS 3.x base score of 7.3. 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-74.

Key facts

Severity: High (CVSS 3.x base score 7.3)
CVSS v2: 7.5
CVSS v4: 5.5
EPSS exploit prediction: 1% (68th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-25924
Weakness: CWE-74
Published: 2026-04-27
Last modified: 2026-06-17

Description

A flaw has been found in disler aider-mcp-server up to b2516fa466d0d851932da92ee6d0e66946db9efc. Affected by this vulnerability is an unknown functionality of the file src/aider_mcp_server/server.py of the component aider_ai_code. This manipulation of the argument relative_editable_files causes command injection. Remote exploitation of the attack is possible. The exploit has been published and may be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The project was informed of the problem early through an issue report but has not responded yet.

Frequently asked questions

What is CVE-2026-7157?: A flaw has been found in disler aider-mcp-server up to b2516fa466d0d851932da92ee6d0e66946db9efc. Affected by this vulnerability is an unknown functionality of the file src/aider_mcp_server/server.py of the component aider_ai_code. This manipulation of the argument relative_editable_files causes command injection. Remote exploitation of the attack is possible. The exploit has been published and may be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The project was informed of the problem early through an issue report but has not responded yet.
How severe is CVE-2026-7157?: CVE-2026-7157 has a CVSS 3.x base score of 7.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-7157 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (68th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-7157?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-7157 have an EU (EUVD) identifier?: Yes. CVE-2026-7157 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25924.
When was CVE-2026-7157 published?: CVE-2026-7157 was published on 2026-04-27 and last updated on 2026-06-17.

References

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