High severity · published Apr 21, 2026
CVE-2026-5789
Search path without quotes in CivetWeb
7.8
CVSS
0.1%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 3% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CI
CivetWeb · CivetWeb
1.16 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-5789
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-5789
Third Party Advisory
https://www.incibe.es/en/incibe-cert/notices/aviso/search-path-without-quotes-civetweb
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