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OpenAdvisories
High · 8.5 CVE-2026-5789 EUVD-2026-24138GHSA-9vxj-j2f7-9mgg

Search path without quotes in CivetWeb

Published Apr 21, 2026 · Updated Apr 21, 2026 · Assigned by INCIBE

Description

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 Files\CivetWeb\CivetWeb.exe --), due to the absence of quotes in the service configuration.

Affected products

VendorProductAffectedFixed
CivetWeb CivetWeb 1.16 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Ubuntu 26.04 LTS civetweb No fix yet —
Ubuntu 25.10 civetweb No fix yet —
Ubuntu 24.04 LTS civetweb No fix yet —
Ubuntu 22.04 LTS civetweb No fix yet —

References