Vim fixes a high-severity vulnerability

Do you think this report is well-written? *

Yes

Do you use this technology? *

Yes

Was this report useful to you?

Yes

We would be happy if you would describe:

The security services provided by CESNET are designed to provide significant support in ensuring the cybersecurity of connected organizations. Although we strive to provide quality and reliable services, it is not possible to guarantee absolute coverage of all security vulnerabilities. Our services should be seen as a complement to an organization's own security management, not as a replacement. The client bears ultimate responsibility for securing their environment.

This report was translated by AI; nobody has reviewed the translation yet. Original language: Slovak.

[TLP:CLEAR] Vim fixes a high-severity vulnerability

Vim fixes 1 vulnerability in version 9.2.0736 [1]. Debian released a fix only for the unstable sid release (2:9.2.0782-1) and Red Hat released a fix for Red Hat Hardened Images [2][3][4].

Vim - ACE (CVE-2026-59856)

CVSS 8.4 (High)

Allows an unauthenticated local attacker to carry out a command injection attack by tricking the victim into opening a specially crafted PHP source file [1][5]. The vulnerability is exploitable only if the victim uses PHP code autocompletion in that file [1].

The vulnerability is present in product:

vim; < 9.2.0736;

CVSS: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

More information:

CVE-2026-59856 at cve.org, NVD
CWE-138: Improper Neutralization of Special Elements at cwe.mitre.org

The vulnerability was publicly disclosed 9. 7. 2026.

Links

By CESNET, z.s.p.o. Martin Krajči on 14. 7. 2026.

Report feedback

[TLP:CLEAR] Vim fixes a high-severity vulnerability

Vim - ACE (CVE-2026-59856)

CVSS 8.4 (High)

Links