PT-2026-33989 · Civetweb · Civetweb

Rafael Pedrero · Published 2026-04-21 · Updated 2026-04-21 · CVE-2026-5789

NVD

CVSS v4.0

8.5

High

AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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 intended application path (C:Program FilesCivetWebCivetWeb.exe --), due to the absence of quotes in the service configuration.

Fix

Weakness Enumeration

CWE-428

Related Identifiers

CVE-2026-5789

Affected Products

Civetweb

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-5789 · Security Note
• https://incibe.es/en/incibe-cert/notices/aviso/search-path-without-quotes-civetweb · Patch
• https://twitter.com/infoflowcloud/status/2046622419473883309 · Twitter Post
• https://twitter.com/CVEnew/status/2046620103286948063 · Twitter Post