What is CVE-2026-5789?

CVE-2026-5789 is a high-severity vulnerability in Civetweb, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-04-21.

How severe is CVE-2026-5789?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Civetweb

CVE-2026-5789

Vulnerability related to an unquoted search path in CivetWeb v1.16. This vulnerability allows a local attacker to execute arbitrary code with elevated privileges by placing a malicious executable in a directory that is scanned before the i…

EPSS: 0.001 (3.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Civetweb — versions 1.16
Civetweb_project Civetweb — versions 1.16

Weakness classification (CWE)

CWE-428 — Unquoted Search Path or Element

References

cve-coordination@incibe.es (Third Party Advisory, patch)

Frequently asked questions

What is CVE-2026-5789?: CVE-2026-5789 is a high-severity vulnerability in Civetweb, classified under Unquoted Search Path or Element. CVSS score: 7.8/10. Published 2026-04-21.
How severe is CVE-2026-5789?: High severity. CVSS v3 base score is 7.8 out of 10.