PT-2026-33989 · Civetweb · Civetweb

Rafael Pedrero · Published 2026-04-21 · Updated 2026-04-22 · CVE-2026-5789

Positive Technologies (AI Summary)

CVSS v4.0

8.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions CivetWeb version 1.16

Description An unquoted search path issue exists due to the absence of quotes in the service configuration. This 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 --'.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-428

Related Identifiers

CVE-2026-5789

Affected Products

Civetweb

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-5789 · Security Note
• https://ubuntu.com/security/CVE-2026-5789 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-5789 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-5789 · Vendor Advisory
• https://incibe.es/en/incibe-cert/notices/aviso/search-path-without-quotes-civetweb · Patch
• https://twitter.com/CVEnew/status/2046620103286948063 · Twitter Post
• https://twitter.com/infoflowcloud/status/2046622419473883309 · Twitter Post